Fix collections.abc imports for Python 3.9

hugovk · hugovk · commit 352841c0d9cf · 2020-01-21T19:38:02.000+02:00
diff --git a/http_parser/util.py b/http_parser/util.py
@@ -5,7 +5,12 @@
 
 
 import sys
-from collections import MutableMapping
+try:
+    # Python 3.3+
+    from collections.abc import MutableMapping
+except ImportError:
+    from collections import MutableMapping
+
 
 if sys.version_info[0] == 3:
     from urllib.parse import unquote
