diff options
10 files changed, 50 insertions, 32 deletions
diff --git a/tensorflow/g3doc/api_docs/python/contrib.learn.md b/tensorflow/g3doc/api_docs/python/contrib.learn.md index 9a2884fef1..7ac353c07d 100644 --- a/tensorflow/g3doc/api_docs/python/contrib.learn.md +++ b/tensorflow/g3doc/api_docs/python/contrib.learn.md @@ -73,7 +73,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -87,7 +87,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -371,7 +372,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -385,7 +386,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -984,7 +986,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -998,7 +1000,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -1308,7 +1311,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -1322,7 +1325,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -1920,7 +1924,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -1934,7 +1938,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -2258,7 +2263,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -2272,7 +2277,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s @@ -2654,7 +2660,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -2668,7 +2674,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/contrib.learn.monitors.md b/tensorflow/g3doc/api_docs/python/contrib.learn.monitors.md index 69f3777b05..1450d75ece 100644 --- a/tensorflow/g3doc/api_docs/python/contrib.learn.monitors.md +++ b/tensorflow/g3doc/api_docs/python/contrib.learn.monitors.md @@ -867,7 +867,7 @@ Initializes ExportMonitor. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will both become required args. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will both become required args. Args: every_n_steps: Run monitor every N steps. @@ -878,7 +878,9 @@ The signature of the input_fn accepted by export is changing to be consistent wi `None`). input_feature_key: String key into the features dict returned by `input_fn` that corresponds to the raw `Example` strings `Tensor` that - the exported model will take as input. + the exported model will take as input. Can only be `None` if you're + using a custom `signature_fn` that does not use the first arg + (examples). exports_to_keep: int, number of exports to keep. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard0/tf.contrib.learn.LinearRegressor.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard0/tf.contrib.learn.LinearRegressor.md index c9393eaddc..e41bcef66d 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard0/tf.contrib.learn.LinearRegressor.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard0/tf.contrib.learn.LinearRegressor.md @@ -135,7 +135,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -149,7 +149,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.BaseEstimator.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.BaseEstimator.md index 9d0987f5b4..b90b5845a1 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.BaseEstimator.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.BaseEstimator.md @@ -58,7 +58,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -72,7 +72,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.monitors.ExportMonitor.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.monitors.ExportMonitor.md index 1c5de26205..6bf9cc0513 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.monitors.ExportMonitor.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard2/tf.contrib.learn.monitors.ExportMonitor.md @@ -7,7 +7,7 @@ Initializes ExportMonitor. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will both become required args. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will both become required args. Args: every_n_steps: Run monitor every N steps. @@ -18,7 +18,9 @@ The signature of the input_fn accepted by export is changing to be consistent wi `None`). input_feature_key: String key into the features dict returned by `input_fn` that corresponds to the raw `Example` strings `Tensor` that - the exported model will take as input. + the exported model will take as input. Can only be `None` if you're + using a custom `signature_fn` that does not use the first arg + (examples). exports_to_keep: int, number of exports to keep. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard3/tf.contrib.learn.Estimator.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard3/tf.contrib.learn.Estimator.md index daec94d57f..6d698594f5 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard3/tf.contrib.learn.Estimator.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard3/tf.contrib.learn.Estimator.md @@ -86,7 +86,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -100,7 +100,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowEstimator.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowEstimator.md index 397eb6632e..bc28435bb2 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowEstimator.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowEstimator.md @@ -91,7 +91,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -105,7 +105,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowRNNRegressor.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowRNNRegressor.md index e122c1386c..f165263a02 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowRNNRegressor.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.learn.TensorFlowRNNRegressor.md @@ -106,7 +106,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -120,7 +120,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.DNNRegressor.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.DNNRegressor.md index 2fbc26fc21..f532789f83 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.DNNRegressor.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.DNNRegressor.md @@ -148,7 +148,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -162,7 +162,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s diff --git a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.TensorFlowRNNClassifier.md b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.TensorFlowRNNClassifier.md index fa76287b2c..590e9c4822 100644 --- a/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.TensorFlowRNNClassifier.md +++ b/tensorflow/g3doc/api_docs/python/functions_and_classes/shard9/tf.contrib.learn.TensorFlowRNNClassifier.md @@ -105,7 +105,7 @@ Exports inference graph into given dir. (deprecated arguments) SOME ARGUMENTS ARE DEPRECATED. They will be removed after 2016-09-23. Instructions for updating: -The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn and input_feature_key will become required args, and use_deprecated_input_fn will default to False and be removed altogether. +The signature of the input_fn accepted by export is changing to be consistent with what's used by tf.Learn Estimator's train/evaluate. input_fn (and in most cases, input_feature_key) will become required args, and use_deprecated_input_fn will default to False and be removed altogether. Args: export_dir: A string containing a directory to write the exported graph @@ -119,7 +119,8 @@ The signature of the input_fn accepted by export is changing to be consistent wi input_feature_key: Only used if `use_deprecated_input_fn` is false. String key into the features dict returned by `input_fn` that corresponds toa the raw `Example` strings `Tensor` that the exported model will take as - input. + input. Can only be `None` if you're using a custom `signature_fn` that + does not use the first arg (examples). use_deprecated_input_fn: Determines the signature format of `input_fn`. signature_fn: Function that returns a default signature and a named signature map, given `Tensor` of `Example` strings, `dict` of `Tensor`s |