Update dfa.py

caleb531 · Nov 7, 2023 · 8373aac · 8373aac
1 parent b2264fc
commit 8373aac
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/automata/fa/dfa.py b/automata/fa/dfa.py
@@ -499,6 +499,8 @@ def _minify(
         If the input DFA is partial, then the result is also a partial DFA
         """
 
+        reachable_states = set(reachable_states)
+
         # Per input-symbol backmap (tgt -> origin states)
         transition_back_map: Dict[str, Dict[DFAStateT, List[DFAStateT]]] = {
             symbol: {end_state: [] for end_state in reachable_states}