diff --git a/configs/__init__.py b/configs/__init__.py
index 746e607..ff395e6 100644
--- a/configs/__init__.py
+++ b/configs/__init__.py
@@ -1 +1 @@
-from .config import singleton_variable, Config
\ No newline at end of file
+from .config import singleton_variable, Config
diff --git a/i18n/i18n.py b/i18n/i18n.py
index dab3b0b..ea555da 100644
--- a/i18n/i18n.py
+++ b/i18n/i18n.py
@@ -9,12 +9,13 @@ def load_language_list(language):
         language_list = json.load(f)
     return language_list
 
+
 @singleton_variable
 class I18nAuto:
     def __init__(self, language=None):
         if language in ["Auto", None]:
             language = locale.getdefaultlocale(
-                envvars=('LANG', 'LC_ALL', 'LC_CTYPE', 'LANGUAGE')
+                envvars=("LANG", "LC_ALL", "LC_CTYPE", "LANGUAGE")
             )[0]
         if not os.path.exists(f"./i18n/locale/{language}.json"):
             language = "en_US"