Corrected error handling during access validation

api/user_views.py

@@ -8,14 +8,20 @@ user_bp = Blueprint('user_bp', __name__)
 def admin_required(user_id):
     user = User.query.get(user_id)
     if user is None or user.role != "Administrator":
-        return jsonify({'error': f'Access denied.'}), 403
+        abort(403, {'error': f'Access denied.'})
 
 def validate_access(owner_id):
     # Check if user try to access or edit resource that does not belong to them 
     logged_user_id = int(get_jwt_identity())
     logged_user_role = User.query.get(logged_user_id).role
     if logged_user_role != "Administrator" and logged_user_id != owner_id:
-        return jsonify({'error': f'Access denied.'}), 403
+        abort(403, {'error': f'Access denied.'})
+
+@user_bp.errorhandler(403)
+def forbidden_error(error):
+    response = jsonify(error.description)
+    response.status_code = 403
+    return response
 
 @user_bp.route('/users', methods=['GET'])
 @jwt_required()