auto reads form yamls from ~/.wikicms/forms for #33

Author: WolfgangFahl

frontend/forms/registry.py

@@ -35,7 +35,7 @@ def of_forms_dir(cls, forms_dir: str=None) -> 'FormRegistry':
         """
         if forms_dir is None:
             forms_dir = DEFAULT_FORMS_DIR
-        registry = FormRegistry.instance()
+        registry = FormRegistry()
         if os.path.isdir(forms_dir):
             for fname in sorted(os.listdir(forms_dir)):
                 if fname.endswith(".yaml"):