fix: Remove unused imports and fix formatting in notifications package

Author: Johan Broberg

libraries/microsoft-agents-a365-notifications/microsoft_agents_a365/notifications/agent_notification.py

@@ -190,6 +190,7 @@ async def handle_user_created(context, state, notification):
                 print("New user created")
             ```
         """
+
         def route_selector(context: TurnContext) -> bool:
             ch = context.activity.channel_id
             received_channel = ch.channel if ch else ""

libraries/microsoft-agents-a365-notifications/microsoft_agents_a365/notifications/models/agent_notification_activity.py

@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-from typing import Any, Optional, Type, TypeVar
+from typing import Any, TypeVar
 from microsoft_agents.activity import Activity
 
 from .email_reference import EmailReference

libraries/microsoft-agents-a365-notifications/microsoft_agents_a365/notifications/models/email_reference.py

@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-from typing import Optional, Literal
+from typing import Literal
 from microsoft_agents.activity.entity import Entity
 
 from .notification_types import NotificationTypes

libraries/microsoft-agents-a365-notifications/microsoft_agents_a365/notifications/models/wpx_comment.py

@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 
-from typing import Optional, Literal
+from typing import Literal
 from microsoft_agents.activity.entity import Entity
 
 from .notification_types import NotificationTypes