Mine is not an issue but a suggestion. You can replace return for the return messages to flash. This will allow you to work with category and then you can group and style the categories depending on whether it is an error or success.

[Hillcest]

Thanks for checking out my Flask tutorial repo! Since this is a tutorial repository, it's not updated unless a major breaking issue is discovered. Because of the reason mentioned, please follow the checklist below when opening an issue.

Make sure to add all the information needed to understand the problem so that I can help. If the info is missing I'll add the 'Needs more information' label and close the issue until there is enough information.

• [ ] Provide a minimal code snippet that reproduces the bug.
• [ ] Provide screenshots where appropriate
• [ ] What's the version of Python you're using?
• [ ] Are you using Mac, Linux or Windows?