Merge branch 'master' of github.com:LaLogiaDePython/django-menu-generator

menu_generator/utils.py

@@ -37,7 +37,7 @@ def clean_app_config(app_path):
             return new_app
         else:  # pragma: no cover
             raise ImproperlyConfigured(
-                f"The application {app_path} is not in the configured apps or does" +
+                "The application {0} is not in the configured apps or does".format(app_path) +
                 "not have the pattern app.apps.AppConfig"
             )