test-requirements: Lock pytest at 3.4.2
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py.test v3.5.0 has issues!
$ py.test --cov
Traceback (most recent call last):
File "/home/vamshi/environments/gitmate-venv/bin/py.test", line 7, in <module>
from pytest import main
File "/home/vamshi/environments/gitmate-venv/lib/python3.5/site-packages/pytest.py", line 13, in <module>
from _pytest.fixtures import fixture, yield_fixture
File "/home/vamshi/environments/gitmate-venv/lib/python3.5/site-packages/_pytest/fixtures.py", line 845, in <module>
class FixtureFunctionMarker(object):
File "/home/vamshi/environments/gitmate-venv/lib/python3.5/site-packages/_pytest/fixtures.py", line 847, in FixtureFunctionMarker
params = attr.ib(converter=attr.converters.optional(tuple))
TypeError: attrib() got an unexpected keyword argument 'converter'
Edited by Naveen Kumar Sangi