message: Removed unused imports in the generated Python op wrapper prelude
diff: @@ -1025,8 +1025,6 @@ from tensorflow.python.eager import context as _context
  from tensorflow.python.eager import core as _core
  from tensorflow.python.eager import execute as _execute
  from tensorflow.python.framework import dtypes as _dtypes
  -from tensorflow.python.framework import errors as _errors
  -from tensorflow.python.framework import tensor_shape as _tensor_shape
  from tensorflow.core.framework import op_def_pb2 as _op_def_pb2
  # Needed to trigger the call to _set_call_cpp_shape_fn.
  