Update lid.py

lid.py

@@ -16,7 +16,7 @@ with open(f"data/lid/all_langs.tsv") as f:
         iso, name = line.split(" ", 1)
         LID_LANGUAGES[iso] = name.strip()
 
-def identify_language(audio=None):
+def identify_language(audio):
     if audio is None:
         return "ERROR: You have to either use the microphone or upload an audio file"