fix: lint with black

Author: SunsetWolf

scripts/data_collector/utils.py

@@ -69,9 +69,7 @@ def get_calendar_list(bench_code="CSI300") -> List[pd.Timestamp]:
 
     def _get_calendar(url):
         ua = UserAgent()
-        headers = {
-            "User-Agent": ua.random
-        }
+        headers = {"User-Agent": ua.random}
         _value_list = requests.get(url, timeout=None, headers=headers).json()["data"]["klines"]
         return sorted(map(lambda x: pd.Timestamp(x.split(",")[0]), _value_list))