[TIP] py.test coverage without erasing coverage data on previous runs?

[Randy Syring]

 > The data file is erased at the beginning of testing to ensure clean 
data for each test run.

from: https://pypi.python.org/pypi/pytest-cov

However, I'd like to accumulate coverage over multiple calls in my 
tox.ini so that I can get a coverage number that is reflective of all 
python versions I'm testing against.  Can I get pytest-cov to not erase 
the coverage?

*Randy Syring*
Husband | Father | Redeemed Sinner

/"For what does it profit a man to gain the whole world
and forfeit his soul?" (Mark 8:36 ESV)/

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