remove unused import

app/api/views/export.py

@@ -4,7 +4,6 @@ from io import StringIO
 from flask import g
 from flask import jsonify
 from flask import make_response
-from flask import request
 
 from app.api.base import api_bp, require_api_auth
 from app.models import Alias, Client, CustomDomain

app/dashboard/views/setting.py

@@ -1,4 +1,3 @@
-import json
 from io import BytesIO
 
 import arrow
@@ -8,7 +7,6 @@ from flask import (
     redirect,
     url_for,
     flash,
-    Response,
 )
 from flask_login import login_required, current_user, logout_user
 from flask_wtf import FlaskForm
@@ -33,7 +31,6 @@ from app.models import (
     User,
     Alias,
     CustomDomain,
-    Client,
     AliasGeneratorEnum,
     ManualSubscription,
     SenderFormatEnum,