Swap pep8 current to legacy (#22891)

lib/ansible/utils/plugin_docs.py

@@ -127,7 +127,7 @@ def get_docstring(filename, verbose=False):
         except Exception as e:
             display.debug('failed docstring parsing: %s' % str(e))
 
-        if not 'docs' in data or not data['docs']:
+        if 'docs' not in data or not data['docs']:
             display.debug('Fallback to vars parsing')
             for child in M.body:
                 if isinstance(child, ast.Assign):

test/sanity/pep8/current-ignore.txt

@@ -1,30 +1 @@
-E123
-E124
-E127
-E128
-E201
-E202
-E203
-E211
-E221
-E222
-E225
-E226
-E227
-E228
-E231
-E241
-E251
-E261
-E262
-E265
-E266
-E301
-E302
-E303
 E402
-E502
-E713
-E731
-W391
-W503

test/sanity/pep8/legacy-ignore.txt

@@ -0,0 +1,29 @@
+E123
+E124
+E127
+E128
+E201
+E202
+E203
+E211
+E221
+E222
+E225
+E226
+E227
+E228
+E231
+E241
+E251
+E261
+E262
+E265
+E266
+E301
+E302
+E303
+E502
+E713
+E731
+W391
+W503