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

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

Author: pre-commit-ci[bot]

Diff for: graphs/check_bipartite_graph_all.py

@@ -16,7 +16,7 @@
 from queue import Queue
 
 
-def check_bipartite(graph:Dict[int, List[int]]) -> bool:
+def check_bipartite(graph: Dict[int, List[int]]) -> bool:
     queue = Queue()
     visited = [False] * len(graph)
     color = [-1] * len(graph)