1 files changed, 20 insertions, 0 deletions
diff --git a/tensorflow/contrib/keras/python/keras/backend.py b/tensorflow/contrib/keras/python/keras/backend.py
index 1882ae35f5..d149138796 100644
--- a/tensorflow/contrib/keras/python/keras/backend.py
+++ b/tensorflow/contrib/keras/python/keras/backend.py
@@ -3625,3 +3625,23 @@ if os.path.exists(_config_path):
   set_floatx(_floatx)
   set_epsilon(_epsilon)
   set_image_data_format(_image_data_format)
+
+# Save config file.
+if os.access(_keras_base_dir, os.W_OK):
+  if not os.path.exists(_keras_dir):
+    try:
+      os.makedirs(_keras_dir)
+    except OSError:
+      # Except potential race conditions
+      # in multi-threaded environments.
+      pass
+
+  if not os.path.exists(_config_path):
+    _config = {
+        'floatx': floatx(),
+        'epsilon': epsilon(),
+        'backend': 'tensorflow',
+        'image_data_format': image_data_format()
+    }
+    with open(_config_path, 'w') as f:
+      f.write(json.dumps(_config, indent=4))