Don't edit the orignal django-filters schema.

tfranzel · Mar 1, 2023 · 1c00668 · 1c00668
1 parent eeb8a11
commit 1c00668
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drf_spectacular/contrib/django_filters.py b/drf_spectacular/contrib/django_filters.py
@@ -96,7 +96,7 @@ def resolve_filter_field(self, auto_schema, model, filterset_class, field_name,
                 schema = build_basic_type(annotation)
             else:
                 # allow injecting raw schema via @extend_schema_field decorator
-                schema = annotation
+                schema = annotation.copy()
         elif filter_method_hint is not _NoHint:
             if is_basic_type(filter_method_hint):
                 schema = build_basic_type(filter_method_hint)