can't parse empty string error

Hi,

The latest npmts is producing the following output. Version node -v v7.6.0 npm -v 4.1.2

can't parse empty string TypeError: Cannot read property 'toString' of undefined at Object. (/usr/local/lib/node_modules/npmts/dist/mod02/index.js:87:51) at Generator.next () at fulfilled (/usr/local/lib/node_modules/npmts/dist/mod02/index.js:4:58) (node:15933) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): can't parse empty string (node:15933) 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.