Update app.py

app.py

@@ -20,9 +20,9 @@ else:
         cache.commit()
     except Exception, arg:
         print >> sys.stderr, "Sorry, package installation failed [{err}]".format(err=str(arg))
-from xvfbwrapper import Xvfb
-vdisplay = Xvfb()
-vdisplay.start()
+# from xvfbwrapper import Xvfb
+# vdisplay = Xvfb()
+# vdisplay.start()
 session_token = os.environ.get('SessionToken')      
 
 device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")