Update app.py

app.py

@@ -7,7 +7,7 @@ os.system('git clone https://github.com/Rudrabha/Wav2Lip.git')
 os.system('curl -o ./Wav2Lip/face_detection/detection/sfd/s3fd.pth https://www.adrianbulat.com/downloads/python-fan/s3fd-619a316812.pth')
 os.system('pip3 install moviepy')
 os.system('pip3 uninstall numpy')
-os.system('pip3 install numpy>=1.17.1')
+os.system('pip3 install --upgrade numpy')
 os.system('pip3 install speechRecognition')
 os.system('pip3 install gtts')
 os.system('pip3 install googletrans==3.1.0a0')