Run format-webkit on webkitpy code (without string conversion).

third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py b/third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py
index fbd76190059bffc322f136f522aed657c7537974..9416a20997f0f36de8c500cfd1dfb96381fdd022 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/style/optparser.py
@@ -233,6 +233,7 @@ class ArgumentParser(object):
 
     # FIXME: Move the documentation of the attributes to the __init__
     #        docstring after making the attributes internal.
+
     """Supports the parsing of check-webkit-style command arguments.
 
     Attributes:
@@ -443,7 +444,7 @@ class ArgumentParser(object):
 
         try:
             validate_filter_rules(filter_rules, self._all_categories)
-        except ValueError, err:
+        except ValueError as err:
             self._parse_error(err)
 
         options = CommandOptionValues(filter_rules=filter_rules,