fix

Author: YunchuWang

azure/functions/meta.py

@@ -22,18 +22,18 @@
 
 
 def is_iterable_type_annotation(annotation: object, pytype: object) -> bool:
-    is_iterable_anno = (
-        typing_inspect.is_generic_type(annotation)
-        and issubclass(typing_inspect.get_origin(annotation),
-                       collections.abc.Iterable)
-    )
-
     if sys.version_info >= (3, 9):
-        # After python 3.9, standard collection types are supported in type hint
+        # Since python 3.9, standard collection types are supported in type hint
         origin = get_origin(annotation)
         is_iterable_anno = (origin is not None
                             and issubclass(origin, collections.abc.Iterable))
-    
+    else:
+        is_iterable_anno = (
+            typing_inspect.is_generic_type(annotation)
+            and issubclass(typing_inspect.get_origin(annotation),
+                        collections.abc.Iterable)
+        )
+
     if not is_iterable_anno:
         return False