Fixed typo in line 42 of webpack_loader.py

Author: yograterol

webpack_loader/templatetags/webpack_loader.py

@@ -39,7 +39,7 @@ def _get_bundle(bundle_name, extension, config):
 def render_bundle(bundle_name, extension=None, config='DEFAULT'):
  try:
  return render_as_tags(_get_bundle(bundle_name, extension, config))
- except IOError, KeyError as e:
+ except (IOError, KeyError) as e:
  return '<script>console.error("{} - {}");</script>'.format(
  bundle_name,
  e