Swagger crash when disabling a flow #57

typeError: Cannot read property 'type' of null
at checkWiresForHttpResponse (/data/node_modules/node-red-node-swagger/swagger/swagger.js:132:23)
at /data/node_modules/node-red-node-swagger/swagger/swagger.js:52:20
at Object.eachNode (/usr/src/node-red/node_modules/node-red/red/runtime/nodes/flows/index.js:168:13)
at /data/node_modules/node-red-node-swagger/swagger/swagger.js:50:19
at Layer.handle [as handle_request] (/usr/src/node-red/node_modules/express/lib/router/layer.js:95:5)
at next (/usr/src/node-red/node_modules/express/lib/router/route.js:137:13)
at Route.dispatch (/usr/src/node-red/node_modules/express/lib/router/route.js:112:3)
at Layer.handle [as handle_request] (/usr/src/node-red/node_modules/express/lib/router/layer.js:95:5)
at /usr/src/node-red/node_modules/express/lib/router/index.js:281:22
at Function.process_params (/usr/src/node-red/node_modules/express/lib/router/index.js:335:12)