Update app.py

app.py

@@ -31,7 +31,7 @@ def detect_language(file_path):
         return selected_language
     except Exception as e:
         print(f"Language detection failed: {e}")
-        return None
+        return "unknown"
 
 
 def detect_emotion(audio):
@@ -59,7 +59,7 @@ def detect_toxic_local(text_whisper):
 
 def assessment(file_path, result_text):
     result_emotion = detect_emotion(file_path) or "unknown"
-    result_toxic = detect_toxic_local(result_text) or False
+    result_toxic = detect_toxic_local(result_text) or "unknown"
     return json.dumps({"emotion": result_emotion, "toxic": result_toxic})