Python: Clean up imports (#2318)

* chore: tidy imports

* Update python/packages/azurefunctions/agent_framework_azurefunctions/_errors.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update python/packages/azurefunctions/agent_framework_azurefunctions/_callbacks.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* chore: revert stub file change

* chore: trigger pre-commit hook, re-add `annotations` import

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

python/packages/purview/agent_framework_purview/_cache.py

@@ -1,8 +1,6 @@
 # Copyright (c) Microsoft. All rights reserved.
 """Cache provider for Purview data."""
 
-from __future__ import annotations
-
 import hashlib
 import heapq
 import json

python/packages/purview/agent_framework_purview/_client.py

@@ -1,5 +1,4 @@
 # Copyright (c) Microsoft. All rights reserved.
-from __future__ import annotations
 
 import base64
 import inspect

python/packages/purview/agent_framework_purview/_exceptions.py

@@ -1,8 +1,6 @@
 # Copyright (c) Microsoft. All rights reserved.
 """Purview specific exceptions (minimal error shaping)."""
 
-from __future__ import annotations
-
 from agent_framework.exceptions import ServiceResponseException
 
 __all__ = [

python/packages/purview/agent_framework_purview/_middleware.py

@@ -1,5 +1,4 @@
 # Copyright (c) Microsoft. All rights reserved.
-from __future__ import annotations
 
 from collections.abc import Awaitable, Callable
 

python/packages/purview/agent_framework_purview/_processor.py

@@ -1,5 +1,4 @@
 # Copyright (c) Microsoft. All rights reserved.
-from __future__ import annotations
 
 import asyncio
 import uuid

python/packages/purview/agent_framework_purview/_settings.py

@@ -1,7 +1,5 @@
 # Copyright (c) Microsoft. All rights reserved.
 
-from __future__ import annotations
-
 from enum import Enum
 
 from agent_framework._pydantic import AFBaseSettings