fix version problem

Author: dev0Guy

nest/core/decorators/http_method.py

@@ -1,5 +1,12 @@
-from typing import Callable, List, Union, TypeVar, ParamSpec, TypeAlias
+from typing import Callable, List, Union, TypeVar, TypeAlias
 from enum import Enum
+import sys
+
+if sys.version_info >= (3, 10):
+    from typing import ParamSpec
+else:
+    from typing_extensions import ParamSpec
+
 
 P = ParamSpec("P")
 R = TypeVar("R")