Update app.py

app.py

@@ -7,7 +7,10 @@ os.system('git submodule init')
 os.system('git submodule update')
 os.chdir('fairseq')
 os.system('pip install ./')
-os.system('pip install sentencepiece python_speech_features scikit-video transformers')
+os.system('pip install sentencepiece')
+os.system('pip install python_speech_features')
+os.system('pip install scikit-video')
+os.system('pip install transformers')
 os.chdir('../')
 
 print(os.listdir())