crm example: show error sometimes when change page

[milochen0418]

My Testing Environment
        OS Darwin 22.4.0
        Pynecone 0.1.30
        Python 3.11.3
        Node v16.8.0
        Bun 0.5.9

When user change page, it will show the error sometimes.
There is no way to reproduce this bug. But if we test it more time, it will show up sometimes.

[milochen0418]

In the testing of

• requirements.txt update and test to pc 0.1.32 #79
  The bug cannot be reproduced in pc 0.1.32 now.
  For testing 20 times, it looks like no bug there now.