IMPORTANT DEPENDENCY- Download the MITIE models- Link for Ubuntu: https://github.com/mit-nlp/MITIE/releases/download/v0.4/MITIE-models-v0.2.tar.bz2 The file you need is "total_word_feature_extractor.dat". Copy that in the project folder and the API should work fine.
Refer to https://github.com/mit-nlp/MITIE for more help