Fix for Python 2.7, is this needed?

sarugaku · Sep 26, 2021 · 4a9a17f · 4a9a17f
1 parent eb3495e
commit 4a9a17f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/resolvelib/resolvers.py b/src/resolvelib/resolvers.py
@@ -131,7 +131,7 @@ def _push_new_state(self):
         state = State(
             mapping=base.mapping.copy(),
             criteria=base.criteria.copy(),
-            backtrack_causes=base.backtrack_causes.copy(),
+            backtrack_causes=base.backtrack_causes[:],
         )
         self._states.append(state)