Fix a potential crash when formatting errors (django-webpack#99)

jleclanche · owais · commit df4adb6416a6 · 2017-01-29T06:19:03.000+05:30
diff --git a/webpack_loader/loader.py b/webpack_loader/loader.py
@@ -87,6 +87,8 @@ def get_bundle(self, bundle_name):
                 assets['file'] = ''
             if 'error' not in assets:
                 assets['error'] = 'Unknown Error'
+            if 'message' not in assets:
+                assets['message'] = ''
             error = u"""
             {error} in {file}
             {message}
