diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
index 9a5b9e1aa..c80737fbc 100644
--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -251,7 +251,7 @@ def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature:
     if len(fields):
         query_extra_info = dict()
         for param in fields:
-            query_extra_info[param] = dict((fields[param].field_info.__repr_args__()))
+            query_extra_info[param] = dict(fields[param].field_info.__repr_args__())
             query_extra_info[param]["default"] = (
                 Required
                 if getattr(fields[param], "required", False)
diff --git a/tests/test_dependency_schema_query.py b/tests/test_dependency_schema_query.py
index 72535741f..60d93c884 100644
--- a/tests/test_dependency_schema_query.py
+++ b/tests/test_dependency_schema_query.py
@@ -1,6 +1,6 @@
 from typing import Optional
 
-from fastapi import FastAPI, Depends, Query
+from fastapi import Depends, FastAPI, Query
 from fastapi.testclient import TestClient
 from pydantic import BaseModel