Initial commit
Initial commit

Constraints files are requirements files that only control which version of a requirement is installed, not whether it is installed or not.
Note: Constraints file support was added in pip 7.1.
Usage: $ pip install -c constraints.txt
Help: https://pip.pypa.io/en/stable/user_guide/
ITDB/ITDB,ITDB/ITDB,ITDB/ITDB,ITDB/ITDB,ITDB/ITDB