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-rw-r--r--src/python/grpcio/grpc/__init__.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/python/grpcio/grpc/__init__.py b/src/python/grpcio/grpc/__init__.py
index 79793a710e..7fa7303691 100644
--- a/src/python/grpcio/grpc/__init__.py
+++ b/src/python/grpcio/grpc/__init__.py
@@ -173,7 +173,8 @@ class Future(six.with_metaclass(abc.ABCMeta)):
"""Adds a function to be called at completion of the computation.
The callback will be passed this Future object describing the outcome
- of the computation.
+ of the computation. Callbacks will be invoked after the future is
+ terimated, whether successfully or not.
If the computation has already completed, the callback will be called
immediately.