Clean-up pep8 H402-H403 warnings

Change-Id: Iee350c91852d350cfd7004802d9ec727e3766698

anvil/cfg.py

@@ -190,7 +190,7 @@ class YamlRefLoader(object):
         return processed
 
     def _precache(self):
-        """Cache and process predefined auto-references"""
+        """Cache and process predefined auto-references."""
         for conf, options in self._predefined_refs.items():
             if conf not in self._processed:
                 processed = dict((option, functor())

anvil/ini_parser.py

@@ -230,7 +230,8 @@ class RewritableConfigParser(ConfigHelperMixin, AnvilConfigParser, StringiferMix
 
 class DefaultConf(object):
     """This class represents the data/format of the config file with
-    a large DEFAULT section"""
+    a large DEFAULT section.
+    """
 
     current_section = "DEFAULT"
 

tox.ini

@@ -37,6 +37,6 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 commands = {posargs}
 
 [flake8]
-ignore = H102,H302,H402,H403,E501
+ignore = H102,H302,E501
 builtins = _
 exclude = .venv,.tox,dist,doc,*egg,.git,build