test: ignore sanity tests for test scripts

tests/utils/shippable/check_matrix.py

@@ -1,5 +1,7 @@
-#!/usr/bin/env python
-"""Verify the currently executing Shippable test matrix matches the one defined in the "shippable.yml" file."""
+#!/usr/bin/env python3
+
+"""Verify the currently executing Shippable test matrix matches the one defined in the "shippable.yml" file.
+"""
 
 
 import datetime
@@ -8,19 +10,13 @@
 import re
 import sys
 import time
+from urllib.request import urlopen
 
 try:
     from typing import NoReturn
 except ImportError:
     NoReturn = None
 
-try:
-    # noinspection PyCompatibility
-    from urllib2 import urlopen  # pylint: disable=ansible-bad-import-from
-except ImportError:
-    # noinspection PyCompatibility
-    from urllib.request import urlopen
-
 
 def main():  # type: () -> None
     """Main entry point."""

tests/utils/shippable/sanity.sh

@@ -26,4 +26,5 @@ ansible-test sanity --color -v --junit ${COVERAGE:+"$COVERAGE"} ${CHANGED:+"$CHA
     --docker --base-branch "${base_branch}" \
     --exclude plugins/module_utils/vendor/ \
     --exclude scripts/ \
+    --exclude tests/utils/ \
     --allow-disabled

tests/utils/shippable/timing.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3.7
+#!/usr/bin/env python3
 
 
 import sys