freeze

appdirs==1.4.3
argcomplete==1.8.2
beautifulsoup4==4.6.0
chardet==3.0.3
docx2txt==0.6
EbookLib==0.16
lxml==3.7.3
olefile==0.44
packaging==16.8
Pillow==4.1.1
pyparsing==2.2.0
pytesseract==0.1.7
python-pptx==0.6.5
six==1.10.0
SpeechRecognition==3.6.5
textract==1.5.0
xlrd==1.0.0
XlsxWriter==0.9.6

-----------------------------------
Installation instructions

pytesseract:
sudo apt-get install tesseract-ocr
pip install Pillow
pip install pytesseract

textract:
apt-get install python-dev libxml2-dev libxslt1-dev antiword unrtf poppler-utils pstotext tesseract-ocr flac ffmpeg lame libmad0 libsox-fmt-mp3 sox libjpeg-dev
pip install textract

ghostscript:
[download source]https://www.ghostscript.com/download/gpdldnld.html
[install]https://ghostscript.com/doc/9.15/Install.htm#Install_Unix

workon