fix: #816 NullBooleanField does not exist in DRF >= 3.14.0

tfranzel · Sep 22, 2022 · 98b4b99 · 98b4b99
1 parent 536fac2
commit 98b4b99
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/drf_spectacular/openapi.py b/drf_spectacular/openapi.py
@@ -811,7 +811,12 @@ def _map_serializer_field(self, field, direction, bypass_extensions=False):
 
             return append_meta(self._map_response_type_hint(method), meta)
 
-        if isinstance(field, (serializers.BooleanField, serializers.NullBooleanField)):
+        if hasattr(serializers, "NullBooleanField"):
+            boolean_field_classes = (serializers.BooleanField, serializers.NullBooleanField)
+        else:
+            boolean_field_classes = (serializers.BooleanField,)
+
+        if isinstance(field, boolean_field_classes):
             return append_meta(build_basic_type(OpenApiTypes.BOOL), meta)
 
         if isinstance(field, serializers.JSONField):