add quotes

app.py

@@ -6,8 +6,9 @@ from scipy.io.wavfile import write
 def inference(audio, is_fast):
     os.makedirs("out", exist_ok=True)
     # write('test.wav', audio[0], audio[1])
+    print(audio)
     os.environ['DANNA_CHECKPOINTS'] = './checkpoints'
-    cmd = f"danna_sep --outdir out {audio}"
+    cmd = f"danna_sep --outdir out \"{audio}\""
     if is_fast:
         cmd += " --fast"
     os.system(cmd)