[REF-3076] 404 with recomplilation when working on routes

[charlestondance]

When working with pages that are routes auto reloading leads to 404 errors that cannot be recovered without restarting reflex.

To Reproduce
Steps to reproduce the behavior:
I have an event hander in the state for the below page. If i change an invalid variable name to a correct one i can force throwing an attribute error. Switching between valid and invalid 2-3’times throws a 404 and reloading doesnt work. Restarting reflex does

This is my route:
@rx.page(route="/entity/[entity_id]/") def entity_editor():

Expected behavior
Editing pages should result in reloading a working reflex app

Screenshots
If applicable, add screenshots to help explain your problem.

Specifics (please complete the following information):

• Python Version: 3.12
• Reflex Version: 0.52
• OS: osx 13.3.1
• Browser (Optional): firefox

Additional context
Generally happens often with all sorts of editing, but reporducible with the above

_REF-3076

[ElijahAhianyo]

can you provide a minimal reproducible code describing this behavior? I'm kind of having a hard time figuring out what the invalid/valid variable is in this case

[hragbalian]

@ElijahAhianyo Here is a minimal example:

import reflex as rx

@rx.page(
    route="/mypage/[page_id]", 
    title="Page", 
    )
def mypage():
    return rx.text("Hello world")

Navigate to page, e.g. http://localhost:3000/mypage/123/ and hot reload once or twice (maybe three times) and you'll hit the 404.