Fix catch_errors flag and check axes of expand_dims in einsum optimizer #12

Job	Run time
Extra_tests (py38-tf2.13, ubuntu-latest, 18, 1.16.3, 1.16.1, False)	9m 33s
Test_max_py_with_latest_tf	9m 48s
Extra_tests (py38-tf2.13, ubuntu-latest, 15, 1.16.3, 1.16.1, False)	9m 39s
Extra_tests (py38-tf2.13, windows-2022, 18, 1.16.3, 1.16.1, False)	12m 50s
Extra_tests (py38-tf2.13, windows-2022, 15, 1.16.3, 1.16.1, False)	12m 30s
Test_min_py_with_min_tf	9m 29s
Extra_tests (py39-tf2.15, ubuntu-latest, 18, 1.16.3, 1.16.1, False)	9m 46s
Extra_tests (py39-tf2.15, ubuntu-latest, 15, 1.16.3, 1.16.1, False)	9m 59s
Extra_tests (py39-tf2.15, windows-2022, 18, 1.16.3, 1.16.1, False)	13m 23s
Extra_tests (py39-tf2.15, windows-2022, 15, 1.16.3, 1.16.1, False)	12m 53s
Extra_tests (py37-tf1.15, ubuntu-latest, 15, 1.14.1, 1.14.1, True, 1.15.5, 3.7)	3m 12s
Publish Tests Results to Github	9s
	1h 53m 11s

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