Update app.py

app.py

@@ -12,10 +12,10 @@ separator = Separator('spleeter:2stems')
 def extract_stems(audio):
     
     # initiate a folder for splitted files
-    foldername = "./output/" + str(random2.randrange(100000000))
+    foldername = str(random2.randrange(100000000))
 
     # Separate audio input. Synchronous is true to wait for the end of split before going further
-    separator.separate_to_file(audio, foldername, filename_format= foldername + "/{instrument}.wav", synchronous=True)
+    separator.separate_to_file(audio, "output/", filename_format= foldername + "/{instrument}.wav", synchronous=True)
     
     # To get full filepath, need to clean the input audio filepath (ex : /tmp/audioexample.mp3)
     filepath = audio[5:] # remove first five chars aka /tmp/