tf.saved_model.main_op.main_op()Returns a main op to init variables and tables.
Returns the main op including the group of ops that initializes all variables, initializes local variables and initialize all tables.
The set of ops to be run as part of the main op upon the load operation.
Defined in tensorflow/python/saved_model/main_op_impl.py.
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Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/api_docs/python/tf/saved_model/main_op/main_op