Pytest-cov

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* Fixed xdist breakage (regression in ``2.5.0``).
Fixes `157 <https://github.com/pytest-dev/pytest-cov/issues/157>`_.
* Allow setting custom ``data_file`` name in ``.coveragerc``.
Fixes `145 <https://github.com/pytest-dev/pytest-cov/issues/145>`_.
Contributed by Jannis Leidel & Ionel Cristian Mărieș in
`156 <https://github.com/pytest-dev/pytest-cov/pull/156>`_.

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* Always show a summary when ``--cov-fail-under`` is used. Contributed by Francis Niu in `PR141
<https://github.com/pytest-dev/pytest-cov/pull/141>`_.
* Added ``--cov-branch`` option. Fixes `85 <https://github.com/pytest-dev/pytest-cov/issues/85>`_.
* Improve exception handling in subprocess setup. Fixes `144 <https://github.com/pytest-dev/pytest-cov/issues/144>`_.
* Fixed handling when ``--cov`` is used multiple times. Fixes `151 <https://github.com/pytest-dev/pytest-cov/issues/151>`_.

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* Added a "disarm" option: ``--no-cov``. It will disable coverage measurements. Contributed by Zoltan Kozma in
`PR135 <https://github.com/pytest-dev/pytest-cov/pull/135>`_.

**WARNING: Do not put this in your configuration files, it's meant to be an one-off for situations where you want to
disable coverage from command line.**
* Fixed broken exception handling on ``.pth`` file. See `136 <https://github.com/pytest-dev/pytest-cov/issues/136>`_.

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* Fixed regression causing spurious errors when xdist was used. See `124
<https://github.com/pytest-dev/pytest-cov/issues/124>`_.
* Fixed DeprecationWarning about incorrect `addoption` use. Contributed by Florian Bruhin in `PR127
<https://github.com/pytest-dev/pytest-cov/pull/127>`_.
* Fixed deprecated use of funcarg fixture API. Contributed by Daniel Hahler in `PR125
<https://github.com/pytest-dev/pytest-cov/pull/125>`_.

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* Add support for specifying output location for html, xml, and annotate report.
Contributed by Patrick Lannigan in `PR113 <https://github.com/pytest-dev/pytest-cov/pull/113>`_.
* Fix bug hiding test failure when cov-fail-under failed.
* For coverage >= 4.0, match the default behaviour of `coverage report` and
error if coverage fails to find the source instead of just printing a warning.
Contributed by David Szotten in `PR116 <https://github.com/pytest-dev/pytest-cov/pull/116>`_.
* Fixed bug occurred when bare ``--cov`` parameter was used with xdist.
Contributed by Michael Elovskikh in `PR120 <https://github.com/pytest-dev/pytest-cov/pull/120>`_.
* Add support for ``skip_covered`` and added ``--cov-report=term-skip-covered`` command
line options. Contributed by Saurabh Kumar in `PR115 <https://github.com/pytest-dev/pytest-cov/pull/115>`_.

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* Fixed incorrect merging of coverage data when xdist was used and coverage was ``>= 4.0``.