six>=1.9.0
nltk>=3.1
regex>=2015.07.19
pandas>=0.18
python-crfsuite>=0.8.4
cached-property>=1.2.0
beautifulsoup4>=4.4.0
html5lib>=0.9999999
elasticsearch==2
pyahocorasick>=1.1.4
unicodecsv>= 0.14.1
