Correctly identify BaseModels or subclasses thereof

Author: necaris

graphene_pydantic/converters.py

@@ -2,6 +2,7 @@
 import collections.abc
 import datetime
 import decimal
+import inspect
 import enum
 import sys
 import typing as T
@@ -199,7 +200,10 @@ def find_graphene_type(
         return List
     elif registry and registry.get_type_for_model(type_):
         return registry.get_type_for_model(type_)
-    elif registry and isinstance(type_, BaseModel):
+    elif registry and (
+        isinstance(type_, BaseModel)
+        or (inspect.isclass(type_) and issubclass(type_, BaseModel))
+    ):
         # If it's a Pydantic model that hasn't yet been wrapped with a ObjectType,
         # we can put a placeholder in and request that `resolve_placeholders()`
         # be called to update it.