added missing import

app.py

@@ -2,6 +2,10 @@ import gradio as gr
 import librosa
 import tensorflow as tf 
 from huggingface_hub import from_pretrained_keras
+from itertools import groupby
+import numpy as np
+
+model = from_pretrained_keras("CXDJY/snore_ai")
 
 def load_audio_to_tensor(filename):
     audio, sampling_rate = librosa.load(filename, sr=None, mono=True)  # load audio and convert to mono
@@ -42,7 +46,7 @@ def greet(name):
     audio_slices = audio_slices.map(preprocess_mp3)
     audio_slices = audio_slices.batch(64)   
 
-    model = from_pretrained_keras("CXDJY/snore_ai")
+    # model = from_pretrained_keras("CXDJY/snore_ai")
 
     yhat = model.predict(audio_slices)
     yhat = [1 if prediction > 0.99 else 0 for prediction in yhat]