Merge pull request #928 from jignparm/jignparm/tranpose_optimize

Add 2 more handlers for Tranpose: Exp and Log

Author: jignparm

tf2onnx/optimizer/transpose_optimizer.py

@@ -175,8 +175,10 @@ def _initialize_handlers(self):
             "Clip": self._simple_through_handler,
             "Concat": self._concat_handler,
             "Elu": self._simple_through_handler,
+            "Exp": self._simple_through_handler,
             "Identity": self._identity_handler,
             "LeakyRelu": self._simple_through_handler,
+            "Log": self._simple_through_handler,
             "Max": self._maxmin_handler,
             "Min": self._maxmin_handler,
             "Mul": self._mul_handler,