use nicer syntax to handle deprecated import

plotly · Mar 29, 2019 · 2ec84b7 · 2ec84b7
1 parent a14726c
commit 2ec84b7
Showing 1 changed file with 5 additions and 5 deletions.
diff --git a/dash/development/base_component.py b/dash/development/base_component.py
@@ -1,15 +1,15 @@
 import abc
 import inspect
 import sys
-try:
-    from collections.abc import MutableSequence
-except ImportError:
-    from collections import MutableSequence
-
 import six
 
 from .._utils import patch_collections_abc
 
+if six.PY2:
+    from collections import MutableSequence
+else:
+    from collections.abc import MutableSequence
+
 
 # pylint: disable=no-init,too-few-public-methods
 class ComponentRegistry: