From 5a1fc4d470da6ef6f238874b6348944c45aab125 Mon Sep 17 00:00:00 2001
From: "Davide Gessa (dakk)" <gessadavide@gmail.com>
Date: Thu, 11 Apr 2024 12:58:58 +0200
Subject: [PATCH] fix qtype for different python versions

---
 qlasskit/types/qtype.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/qlasskit/types/qtype.py b/qlasskit/types/qtype.py
index 1387bb75..88904faf 100644
--- a/qlasskit/types/qtype.py
+++ b/qlasskit/types/qtype.py
@@ -22,7 +22,12 @@
 else:
     from typing import TypeAlias
 
-TType: TypeAlias = Union[type[bool], type["Qtype"]]
+if sys.version_info >= (3, 9):
+    from builtins import type as Type
+else:
+    from typing import Type
+
+TType: TypeAlias = Union[Type[bool], Type["Qtype"]]
 TExp: TypeAlias = Tuple[TType, Boolean]
 
 T = TypeVar("T")