fixed linting issues

backend/alembic/env.py

@@ -7,22 +7,15 @@ from sqlalchemy import pool
 
 from alembic import context
 
+from core.database import Base # Import your Base
+
+
 # --- Add project root to sys.path ---
 # This assumes alembic/env.py is one level down from the project root (backend/)
 PROJECT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, PROJECT_DIR)
 # -----------------------------------
 
-# --- Import Base and Models ---
-from core.database import Base # Import your Base
-# Import all your models here so Base registers them
-from modules.auth.models import User # Example: Import User model
-from modules.calendar.models import CalendarEvent # Example: Import CalendarEvent model
-from modules.nlp.models import ChatMessage # Import the new ChatMessage model
-from modules.todo.models import Todo # Import the new Todo model
-# Add imports for any other models you have
-# ----------------------------
-
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
 config = context.config

backend/alembic/versions/69069d6184b3_initial_migration_with_existing_tables.py

@@ -7,8 +7,6 @@ Create Date: 2025-04-21 01:14:33.233195
 """
 from typing import Sequence, Union
 
-from alembic import op
-import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.

backend/alembic/versions/9a82960db482_add_todo_table.py

@@ -7,8 +7,6 @@ Create Date: 2025-04-21 20:33:27.028529
 """
 from typing import Sequence, Union
 
-from alembic import op
-import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.