use Callable, Iterator from typing

Author: vladak

adafruit_minimqtt/matcher.py

@@ -12,12 +12,10 @@
 """
 
 try:
-    from typing import Any, Dict
+    from typing import Any, Dict, Callable, Iterator
 except ImportError:
     pass
 
-from collections.abc import Callable, Iterator
-
 
 class MQTTMatcher:
     """Intended to manage topic filters including wildcards.