dependencies: bumped few libraries....
dependencies: bumped few libraries.
- atomicwrites==1.2.1
- attrs==18.2.0
- dogpile.cache==0.6.7
- psutil==5.4.7
- pathlib2==2.3.2
- subprocess32==3.5.2
- gevent==1.3.6
- greenlet==0.4.15
- pytest==3.8.1
- py==1.6.0
- pytest-cov==2.6.0
- pytest-timeout==1.3.2
- coverage==4.5.1
- psycopg2==2.7.5
