Update comment

sarugaku · Jun 16, 2024 · e3b2989 · e3b2989
1 parent 5688e55
commit e3b2989
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/resolvelib/resolvers.py b/src/resolvelib/resolvers.py
@@ -328,7 +328,9 @@ def _backjump(self, causes: list[RequirementInformation[RT, CT]]) -> bool:
                 if not current_dependencies.isdisjoint(incompatible_deps):
                     break
 
-                # Stop backtracking if there is no further state to backtrack on
+                # Fallback: We should not backtrack to the point where
+                # broken_state.mapping is empty, so stop backtracking for
+                # a chance for the resolution to recover
                 if not broken_state.mapping:
                     break