Update app.py

app.py

@@ -15,7 +15,11 @@ def transcribe(file):
     
     #print("filename: ",file)
     try:
-        audio = AudioSegment.from_file(file).set_frame_rate(16000).set_channels(1)
+        audio = AudioSegment.from_file(file)
+        if audio.frame_rate != 16000:
+            audio = audio.set_frame_rate(16000)
+        if audio.channels != 1:
+            audio = audio.set_channels(1)
         new_file_name = file.split(".")[0]+".wav"
         audio.export(new_file_name,format)
     except Exception as e: