Update app.py

app.py

@@ -21,19 +21,23 @@ def transcribe(file_mic, file_upload, target_language):
     target_code = target_language.split("(")[-1].split(")")[0]
     forced_bos_token_id = MAPPING[target_code]
     
-    if file_mic is not None and file_upload is not None:
-       print("Warning: You've uploaded an audio file and used the microphone. The recorded file from the microphone will be used and the uploaded audio will be discarded.")
-    elif file_mic is None and file_upload is None:
-       raise ValueError("You have to either use the microphone or upload an audio file")
-    
-    file = file_mic or file_upload
+    warn_output = ""
+    if (file_mic is not None) and (file_upload is not None):
+       warn_output = "WARNING: You've uploaded an audio file and used the microphone. The recorded file from the microphone will be used and the uploaded audio will be discarded.\n"
+       file = file_mic
+    elif (file_mic is None) and (file_upload is None):
+       return "ERROR: You have to either use the microphone or upload an audio file"
+    elif file_mic is not None:
+       file = file_mic
+    else:
+       file = file_upload
        
     input_values = process_audio_file(file)
     
     sequences = model.generate(input_values, forced_bos_token_id=forced_bos_token_id)
     
     transcription = tokenizer.batch_decode(sequences, skip_special_tokens=True)
-    return transcription[0]
+    return warn_output + transcription[0]
     
 target_language = [
     "German (de)",