fix dictionary changed size during iteration (#1894)

ros · Feb 21, 2020 · 05d7b47 · 05d7b47
1 parent 2b369c6
commit 05d7b47
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/clients/rospy/src/rospy/topics.py b/clients/rospy/src/rospy/topics.py
@@ -1173,7 +1173,7 @@ def check_all(self):
         Check all registered publication and subscriptions.
         """
         with self.lock:
-            for t in chain(iter(self.pubs.values()), iter(self.subs.values())):
+            for t in chain(list(self.pubs.values()), list(self.subs.values())):
                 t.check()
 
     def _add(self, ps, rmap, reg_type):