Fix cache key builder.

fastapi_cache/decorator.py

@@ -30,9 +30,10 @@ def cache(
             coder = coder or FastAPICache.get_coder()
             expire = expire or FastAPICache.get_expire()
             key_builder = key_builder or FastAPICache.get_key_builder()
-            request = kwargs.get("request")
+            request = kwargs.pop("request", None)
+            response = kwargs.pop("response", None)
             backend = FastAPICache.get_backend()
-            cache_key = key_builder(func, namespace, *args, **kwargs)
+            cache_key = key_builder(func, namespace, args=args, kwargs=kwargs)
             ttl, ret = await backend.get_with_ttl(cache_key)
             if not request:
                 if ret is not None:

fastapi_cache/key_builder.py

@@ -7,10 +7,10 @@ from starlette.responses import Response
 def default_key_builder(
     func,
     namespace: Optional[str] = "",
-    request: Request = None,
-    response: Response = None,
-    *args,
-    **kwargs,
+    request: Optional[Request] = None,
+    response: Optional[Response] = None,
+    args: Optional[tuple] = None,
+    kwargs: Optional[dict] = None,
 ):
     from fastapi_cache import FastAPICache