Fix mdproxy app start

mdproxy.py

@@ -61,5 +61,5 @@ def serve(domain, eid):
     response.data = data
     return response
 
-
-app.run(host='127.0.0.1', port=5002)
+if __name__ == "__main__":
+    app.run(host='127.0.0.1', port=5002, debug=False)