Prune unused imports (#5711)

* prune unused imports

* [pre-commit.ci] auto fixes from pre-commit.com hooks

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

models/tf.py

@@ -11,7 +11,6 @@ Export:
 """
 
 import argparse
-import logging
 import sys
 from copy import deepcopy
 from pathlib import Path