diff --git a/build_helpers/binance_update_lev_tiers.py b/build_helpers/binance_update_lev_tiers.py
index 6d5fa5c1d..64772abf7 100644
--- a/build_helpers/binance_update_lev_tiers.py
+++ b/build_helpers/binance_update_lev_tiers.py
@@ -12,7 +12,12 @@ secret = os.environ.get("FREQTRADE__EXCHANGE__SECRET")
 proxy = os.environ.get("CI_WEB_PROXY")
 
 exchange = ccxt.binance(
-    {"apiKey": key, "secret": secret, "httpsProxy": proxy, "options": {"defaultType": "swap"}}
+    {
+        "apiKey": key,
+        "secret": secret,
+        "httpsProxy": proxy,
+        "options": {"defaultType": "swap"},
+    }
 )
 _ = exchange.load_markets()