[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

graphs/uniform_cost_search.py

@@ -74,7 +74,7 @@ def ucs(self, start_vertex: int, goal_vertex: int) -> tuple[int, list[int]]:
                 if neighbor not in visited or visited[neighbor] > cost + edge_cost:
                     pq.put((cost + edge_cost, neighbor, path + [neighbor]))
 
-        return float('inf'), []  # If no path found
+        return float("inf"), []  # If no path found
 
 
 if __name__ == "__main__":