Made code more tidy, according to PEP8

pykwalify/rule.py

@@ -1154,20 +1154,19 @@ def init_mapping_value(self, v, rule, path):
             if str(k).startswith("regex;") or str(k).startswith("re;"):
                 log.debug(u"Found regex map rule")
                 regex = k.split(";", 1)
+
                 if len(regex) != 2:
                     raise RuleError(
                         msg=u"Value: '{0}' for keyword regex is malformed".format(k),
                         error_key=u"mapping.regex.malformed",
                         path=path,
                     )
-
                 elif not regex[1].startswith('(') or not regex[1].endswith(')'):
                     raise RuleError(
                         msg=u"Regex '{0}' should start and end with parentheses".format(regex[1]),
                         error_key=u"mapping.regex.missing_parentheses",
                         path=path,
                     )
-
                 else:
                     regex = regex[1]
                     try: