Runs predictor. Args: fetch_keys: dict_keys object or a list of keys in the fetch dictionary to fetch. validate_fetches: if True, raises a KeyError if a specified fetch is invalid. If False, returns None for invalid fetches instead. session_run_options: Optiona
(self,
fetch_keys,
validate_fetches=True,
session_run_options=None,
run_metadata=None,
time_session_run=False,
subgraph_name=None,
**kwargs)
source not stored for this graph (policy: none)