Update app.py

app.py

@@ -14,6 +14,7 @@ def sh(cmd): subprocess.check_call(cmd, shell=True)
 # only do this once per VM restart
 sh("pip install -e .")
 sh("cd src/pixel3dmm/preprocessing/facer && pip install -e .")
+sh("cd src/pixel3dmm/preprocessing/PIPNet/FaceBoxesV2/utils && sh make.sh")
 
 # Set environment variables
 os.environ["PIXEL3DMM_CODE_BASE"] = "./"