diff --git a/litellm/proxy/image_endpoints/endpoints.py b/litellm/proxy/image_endpoints/endpoints.py
index 1e8cc40c4f7..76cfaca5f5e 100644
--- a/litellm/proxy/image_endpoints/endpoints.py
+++ b/litellm/proxy/image_endpoints/endpoints.py
@@ -53,7 +53,7 @@ IMAGE_VARIATION_OPTIONAL_FIELD_DEFAULTS: Final = MappingProxyType({"image": None
 # ImageVariationRequestParams carries FileTypes (typing.IO[bytes]) which
 # pydantic cannot turn into a JSON schema, so the documented JSON body
 # schema is spelled out for the shape the multipart form accepts.
-_IMAGE_VARIATION_REQUEST_BODY: Final = {
+_IMAGE_VARIATION_REQUEST_BODY: Final[dict[str, object]] = {
     "required": True,
     "content": {
         "application/json": {
@@ -71,7 +71,7 @@ _IMAGE_VARIATION_REQUEST_BODY: Final = {
         }
     },
 }
-_IMAGE_VARIATION_OPENAPI_EXTRA: Final = MappingProxyType({"requestBody": _IMAGE_VARIATION_REQUEST_BODY})
+_IMAGE_VARIATION_OPENAPI_EXTRA: Final[dict[str, object]] = {"requestBody": _IMAGE_VARIATION_REQUEST_BODY}
 
 IMAGE_ARRAY_FIELD: Final = "image[]"
 MASK_ARRAY_FIELD: Final = "mask[]"
@@ -390,21 +390,21 @@ async def image_edit_api(
     "/v1/images/variations",
     dependencies=[Depends(user_api_key_auth)],
     responses={200: {"model": ImageResponse}},
-    openapi_extra=dict(_IMAGE_VARIATION_OPENAPI_EXTRA),
+    openapi_extra=dict[str, object](_IMAGE_VARIATION_OPENAPI_EXTRA),
     tags=["images"],
 )
 @router.post(
     "/images/variations",
     dependencies=[Depends(user_api_key_auth)],
     responses={200: {"model": ImageResponse}},
-    openapi_extra=dict(_IMAGE_VARIATION_OPENAPI_EXTRA),
+    openapi_extra=dict[str, object](_IMAGE_VARIATION_OPENAPI_EXTRA),
     tags=["images"],
 )
 @router.post(
     "/openai/deployments/{model:path}/images/variations",
     dependencies=[Depends(user_api_key_auth)],
     responses={200: {"model": ImageResponse}},
-    openapi_extra=dict(_IMAGE_VARIATION_OPENAPI_EXTRA),
+    openapi_extra=dict[str, object](_IMAGE_VARIATION_OPENAPI_EXTRA),
     response_class=ORJSONResponse,
 )  # azure compatible endpoint
 async def image_variation_api(