use syntax rather than

Author: mkcor

dash/development/base_component.py

@@ -1,13 +1,13 @@
 import abc
 import inspect
 import sys
-try:
-    from collections.abc import MutableSequence
-except ImportError:
-    from collections import MutableSequence
-
 import six
 
+if six.PY2:
+    from collections import MutableSequence
+else:
+    from collections.abc import MutableSequence
+
 from .._utils import patch_collections_abc