Fixed lint errors

backend/app/api/routes/auth.py

@@ -33,7 +33,9 @@ async def set_auth_enabled(db: AsyncSession, enabled: bool) -> None:
     from sqlalchemy.dialects.sqlite import insert as sqlite_insert
 
     stmt = sqlite_insert(Settings).values(key="auth_enabled", value="true" if enabled else "false")
-    stmt = stmt.on_conflict_do_update(index_elements=["key"], set_={"value": "true" if enabled else "false", "updated_at": func.now()})
+    stmt = stmt.on_conflict_do_update(
+        index_elements=["key"], set_={"value": "true" if enabled else "false", "updated_at": func.now()}
+    )
     await db.execute(stmt)
     # Note: Don't commit here - let get_db handle it or commit explicitly in the route
 

backend/app/api/routes/printers.py

@@ -48,7 +48,7 @@ async def list_printers(db: AsyncSession = Depends(get_db)):
 async def create_printer(
     printer_data: PrinterCreate,
     db: AsyncSession = Depends(get_db),
-    _current_user = RequireAdminIfAuthEnabled(),
+    _current_user=RequireAdminIfAuthEnabled(),
 ):
     """Add a new printer."""
     # Check if serial number already exists
@@ -83,7 +83,7 @@ async def update_printer(
     printer_id: int,
     printer_data: PrinterUpdate,
     db: AsyncSession = Depends(get_db),
-    _current_user = RequireAdminIfAuthEnabled(),
+    _current_user=RequireAdminIfAuthEnabled(),
 ):
     """Update a printer."""
     result = await db.execute(select(Printer).where(Printer.id == printer_id))
@@ -112,7 +112,7 @@ async def delete_printer(
     printer_id: int,
     delete_archives: bool = True,
     db: AsyncSession = Depends(get_db),
-    _current_user = RequireAdminIfAuthEnabled(),
+    _current_user=RequireAdminIfAuthEnabled(),
 ):
     """Delete a printer.