[typedef] fix for 3.7

autumnjolitz · Feb 29, 2024 · 46552e0 · 46552e0
1 parent 1f68ad0
commit 46552e0
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/instruct/typedef.py b/instruct/typedef.py
@@ -23,7 +23,9 @@
 from .constants import Range
 from .exceptions import RangeError
 
-if sys.version_info < (3, 10):
+LOWER_THAN_310 = sys.version_info < (3, 10)
+
+if LOWER_THAN_310:
     get_origin = _get_origin
 else:
 
@@ -446,8 +448,9 @@ def is_typing_definition(item):
         origin = get_origin(item)
         if origin is not None:
             return is_typing_definition(origin)
-    if isinstance(item, (types.UnionType)):
-        return True
+    if LOWER_THAN_310:
+        if isinstance(item, (types.UnionType,)):
+            return True
     return False