refactor: remove unused imports and reorganize module-level constants across multiple routers

devplacepy/routers/gists.py

@@ -2,7 +2,7 @@ import logging
 from typing import Annotated
 from fastapi import APIRouter, Request, Form
 from devplacepy.models import GistForm, GistEditForm
-from fastapi.responses import HTMLResponse, RedirectResponse
+from fastapi.responses import HTMLResponse
 from devplacepy.database import (
     get_table,
     get_users_by_uids,
@@ -19,7 +19,6 @@ from devplacepy.content import (
     canonical_redirect,
     first_image_url,
 )
-from devplacepy.templating import templates
 from devplacepy.utils import get_current_user, require_user, not_found, XP_GIST
 from devplacepy.seo import (
     base_seo_context,
@@ -173,7 +172,7 @@ async def create_gist(request: Request, data: Annotated[GistForm, Form()]):
     source_code = data.source_code.strip()
     language = data.language
 
-    valid_languages = {l[0] for l in LANGUAGES}
+    valid_languages = {lang[0] for lang in LANGUAGES}
     if language not in valid_languages:
         language = "plaintext"
 
@@ -203,7 +202,7 @@ async def edit_gist(
 ):
     user = require_user(request)
     language = data.language
-    if language not in {l[0] for l in LANGUAGES}:
+    if language not in {lang[0] for lang in LANGUAGES}:
         language = "plaintext"
     return edit_content_item(
         request,