coverage >= 4.2, != 4.3.2 # features in 4.2+ required, avoid known bug in 4.3.2 on python 2.6
cryptography < 2.2 ; python_version < '2.7' # cryptography 2.2 drops support for python 2.6
pywinrm >= 0.3.0 # message encryption support
astroid == 1.5.3 ; python_version >= '3.5' # newer versions of astroid require newer versions of pylint to avoid bugs
pylint == 1.7.4 ; python_version >= '3.5' # versions before 1.7.1 hang or fail to install on python 3.x
pylint == 1.6.5 ; python_version <= '2.7' # versions after 1.6.5 hang or fail during test on python 2.x
sphinx < 1.6 ; python_version < '2.7' # sphinx 1.6 and later require python 2.7 or later
wheel < 0.30.0 ; python_version < '2.7' # wheel 0.30.0 and later require python 2.7 or later
yamllint != 1.8.0 ; python_version < '2.7' # yamllint 1.8.0 requires python 2.7+ while earlier/later versions do not
isort < 4.2.8 # 4.2.8 changes import sort order requirements which breaks previously passing pylint tests
pycrypto >= 2.6 # Need features found in 2.6 and greater
ncclient >= 0.5.2 # Need features added in 0.5.2 and greater
idna < 2.6 # requests requires idna < 2.6, but cryptography will cause the latest version to be installed instead
paramiko < 2.4.0 ; python_version < '2.7' # paramiko 2.4.0 drops support for python 2.6
pytest < 3.3.0 ; python_version < '2.7' # pytest 3.3.0 drops support for python 2.6
ntlm-auth >= 1.0.6 # message encryption support
requests-ntlm >= 1.1.0 # message encryption support
requests-credssp >= 0.1.0 # message encryption support
voluptuous >= 0.11.0 # Schema recursion via Self