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/pdf2md.py

@@ -8,9 +8,9 @@ from utils.scripts import import_library
 
 import_library('pyzerox', 'py-zerox')
 
-import litellm
-from pyzerox import zerox
-from pyzerox.errors import ModelAccessError, NotAVisionModel
+import litellm  # noqa: E402
+from pyzerox import zerox  # noqa: E402
+from pyzerox.errors import ModelAccessError, NotAVisionModel  # noqa: E402
 
 kwargs = {}