Update lid.py

lid.py

@@ -24,7 +24,7 @@ def identify(audio_data):
     if isinstance(audio_data, tuple):
         # microphone
         sr, audio_samples = audio_data
-        audio_samples = (audio_samples / 32768.0).astype(np.float)
+        audio_samples = (audio_samples / 32768.0).astype(np.float32)
         assert sr == LID_SAMPLING_RATE, "Invalid sampling rate"
     else:
         # file upload