Clean up unnecessary exception imports

ref-test/app/view/views.py

@@ -7,7 +7,6 @@ from ..tools.logs import write
 from flask import Blueprint, jsonify, render_template, request
 from flask.helpers import abort, flash, redirect, url_for
 from flask_login import login_required
-from sqlalchemy.exc import SQLAlchemyError
 
 view = Blueprint(
     name='view',