fix(i18n): unexpected change

Author: fumiama

i18n/i18n.py

@@ -17,7 +17,8 @@ def __init__(self, language=None):
             language = locale.getdefaultlocale(
                 envvars=("LANG", "LC_ALL", "LC_CTYPE", "LANGUAGE")
             )[0]
-        language = "en_US"
+        if not os.path.exists(f"./i18n/locale/{language}.json"):
+            language = "en_US"
         self.language = language
         self.language_map = load_language_list(language)