Update app.py

app.py

@@ -76,6 +76,11 @@ def determine_pause(audio: np.ndarray, sampling_rate: int, state: AppState) -> b
 
 # Function to process audio input, detect pauses, and handle state
 def process_audio(audio: tuple, state: AppState):
+    # Ensure audio input is not None and has valid data
+    if audio is None or audio[1] is None:
+        print("Audio input is None or empty.")
+        return None, state
+
     if state.stream is None:
         state.stream = audio[1]
         state.sampling_rate = audio[0]