update for python3.8 (ros#359)

ms-iot · Dec 16, 2020 · 99d87c5 · 99d87c5
1 parent 1574a6e
commit 99d87c5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tf2_ros/src/tf2_ros/buffer.py b/tf2_ros/src/tf2_ros/buffer.py
@@ -58,7 +58,7 @@ def __init__(self, cache_time = None, node = None):
         :param cache_time: (Optional) How long to retain past information in BufferCore.
         :param node: (Optional) If node create a tf2_frames service, It responses all frames as a yaml
         """
-        if cache_time != None:
+        if cache_time is not None:
             tf2.BufferCore.__init__(self, cache_time)
         else:
             tf2.BufferCore.__init__(self)