Update app.py

app.py

@@ -303,4 +303,7 @@ def main():
         tester.display()
 
 if __name__ == '__main__':
+    os.system("pip install torch-scatter -f https://pytorch-geometric.com/whl/torch-1.7.1+cpu.html")
+    os.system("pip install torch-sparse -f https://pytorch-geometric.com/whl/torch-1.7.1+cpu.html")
+    os.system("pip install torch-geometric -f https://pytorch-geometric.com/whl/torch-1.7.1+cpu.html")
     main()