chore: batch lint fixes across userbot and edu_master

- S113: Add timeout=10 to all requests calls (74 fixes)
- E722: Replace bare except: with except Exception:
- B904: Replace redundant re-raise with bare raise
- E402: Add noqa for intentional late imports after import_library()
- S102/S307/S310/S311/S603/S605/S606/S607/S108: Add noqa for intentional usage
- F601: Fix duplicate dict key in unsplash.py
- N802: Rename ReplyCheck -> reply_check with backward compat alias
- N813: Rename bs -> BS in icons.py
- B007/B020: Rename loop var _j in animations.py
- SIM102: Collapse nested if in autofwd.py
- SIM113: Use enumerate() in calculator.py
- A002: Add noqa for builtin shadowing in admlist.py
- F811: Add noqa for cohere redefinition
- edu_master: Fix ARG001, S108, S110, SIM117, apply --unsafe-fixes
- Add modules_list.txt with full module inventory

userbot/modules/url.py

@@ -35,7 +35,7 @@ from utils.scripts import format_exc, humanbytes, progress
 
 def generate_screenshot(url):
     api_url = f'https://api.apiflash.com/v1/urltoimage?access_key={apiflash_key}&url={url}&format=png'
-    response = requests.get(api_url)
+    response = requests.get(api_url, timeout=10)
     if response.status_code == 200:
         return BytesIO(response.content)
     return None
@@ -212,6 +212,7 @@ async def upload_cmd(_, message: Message):
         response = requests.post(
             'https://x0.at',
             files={'file': f},
+            timeout=10,
         )
 
     if response.ok: