Added validator for items to check value type

Author: eadwinCode

ninja_extra/schemas/response.py

@@ -3,6 +3,7 @@
 
 from ninja import Schema
 from ninja.constants import NOT_SET
+from pydantic import validator
 from pydantic.generics import GenericModel
 from pydantic.main import BaseModel
 from pydantic.networks import AnyHttpUrl
@@ -86,6 +87,12 @@ class NinjaPaginationResponseSchema(
     ):
         items: List[T]
 
+        @validator("items", pre=True)
+        def validate_items(cls, value: Any) -> Any:
+            if value and not isinstance(value, list):
+                return list(value)
+            return value
+
     NinjaPaginationResponseSchema.__generic_model__ = NinjaPaginationResponseSchema
 
     class IdSchema(GenericModel, Generic[T], Schema):