Add python pre-commit script checkers

Fix up issues in existing python scripts.

Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: Id4adab404560c3129c66f31c21ff0ce148283c73
diff --git a/verif/generator/tosa_error_if.py b/verif/generator/tosa_error_if.py
index 7c162be..7070205 100644
--- a/verif/generator/tosa_error_if.py
+++ b/verif/generator/tosa_error_if.py
@@ -1,16 +1,6 @@
-# Copyright (c) 2021, ARM Limited.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS,
-#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#    See the License for the specific language governing permissions and
-#    limitations under the License.
+# Copyright (c) 2021-2022, ARM Limited.
+# SPDX-License-Identifier: Apache-2.0
+
 
 class ErrorIf(object):
     MaxDimExceeded = "MaxDimExceeded"
@@ -68,4 +58,3 @@
     InputListBodyGraphInputMismatch = "InputListBodyGraphInputMismatch"
     InputListBodyGraphOutputMismatch = "InputListBodyGraphOutputMismatch"
     CondGraphOutputNotMatchingBool = "CondGraphOutputNotMatchingBool"
-