Collated PEP8 fixes (#25293)

- Make PEP8 compliant

lib/ansible/plugins/cache/jsonfile.py

@@ -37,6 +37,7 @@ except ImportError:
 from ansible.parsing.utils.jsonify import jsonify
 from ansible.plugins.cache import BaseFileCacheModule
 
+
 class CacheModule(BaseFileCacheModule):
     """
     A caching module backed by json files.