message: Fast path for get_variable if in eager and the variable already exists.
diff: @@ -710,6 +710,14 @@ class _VariableStore(object):
  Raises:
  ValueError: See documentation of get_variable above.
  """
  + # Fast-path for get_variable in eager mode when the variable already
  + # exists. Note this skips error validation code, so mismatched shapes and
  + # dtypes will be caught when the variable is used instead of when the call
  + # to get_variable happens.
  + if context.in_eager_mode():
  + v = self._vars.get(name, None)
  + if v is not None:
  + return v
  # Set to true if initializer is a constant.
  initializing_from_value = False
  