(node:30993) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'loadSavedModel' of undefined
    at main (/home/joshua/Documents/programming/cs290/final/server.js:86:33)
    at /home/joshua/Documents/programming/cs290/final/server.js:65:5
    at Layer.handle [as handle_request] (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/route.js:137:13)
    at Route.dispatch (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/route.js:112:3)
    at Layer.handle [as handle_request] (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/layer.js:95:5)
    at /home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/index.js:281:22
    at param (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/index.js:354:14)
    at param (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/index.js:365:14)
    at Function.process_params (/home/joshua/Documents/programming/cs290/final/node_modules/express/lib/router/index.js:410:3)
(node:30993) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:30993) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.