[Python] FastAPI and uvicorn not updating

I've got 2 separate issues with FastAPI. I'm going through a course and on the tagging part, my tags aren't showing in the docs. Additionally, for 1 endpoint that I provided status codes (default to 200), in docs it only shows a 404 & 422. Anyone have any ideas on what I might be doing wrong?

from fastapi import FastAPI, status, Response
from enum import Enum
from typing import Optional

app = FastAPI()

class BlogType(str, Enum):
short = 'short'
story = 'story'
howto = 'howto'

@app.get('/')
def index():
return {"message": "Hello World!"}

@app.get('/blog/{id}/', status_code=status.HTTP_200_OK)
def get_blog(id: int, response: Response):
if id > 5:
response.status_code = status.HTTP_404_NOT_FOUND
return {'error': f'Blog {id} not found'}
else:
response.status_code = status.HTTP_200_OK
return {"message": f'Blog with id {id}'}

@app.get('/blogs/', tags=["blog"])
def get_all_blogs(page, page_size: Optional[int] = None):
return {"message": 'All {page_size} blogs on page {page} provided'}

@app.get('/blog/{id}/comments/{comment_id}/', tags=["blog", "comment"])
def get_comment(id: int, comment_id: int, valid: bool = True, username: Optional[str] = None):
return {'message': f'blog_id {id}, comment_id {comment_id}, valid {valid}, username {username}'}

@app.get('/blog/type/{type}/')
def get_blog_type(type: BlogType):
return {'message': f'BlogType {type}'}


FastAPI error codes

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