remove unused import to make tox happy

inventory_provider/routes/msr.py

@@ -103,7 +103,7 @@ import threading
 from collections import defaultdict
 from typing import Dict
 
-from flask import Blueprint, Response, request, current_app, jsonify
+from flask import Blueprint, Response, request, current_app
 import jsonschema
 
 from inventory_provider.routes import common