kazweda

fix #575 **How to merge your changes:** 1. [Make sure the CI code style tests all pass (+ run the automatic code formatter if necessary).](https://github.com/realpython/materials/blob/master/README.md) 2. Find an RP Team...

:information_source: https://realpython.com/django-diary-project-python/ **Describe the bug** On step5, a error occured while I tried to update a diary on the front end. **To Reproduce** 1. Display a diary. ``` http://127.0.0.1:8000/entry/1 ```...