Update development_testing.md (#277)

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Sean Mooney 2019-06-20 11:36:32 -04:00 committed by Paulus Schoutsen
parent 45031b1ca0
commit 7984f941e5

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@ -18,7 +18,7 @@ Running Tox will run unit tests against the locally available Pythons, as well a
Tox uses virtual environments under the hood to create isolated testing environments. The tox virtual environments will get out-of-date when requirements change, causing test errors. Run `tox -r` to tell Tox to recreate the virtual environments.
OSX users may see an `Error creating virtualenv` when runnng `tox`. If this occurs, install the [tox-venv](https://pypi.org/project/tox-venv/) package using the command `pip install tox-venv` and try again.
macOS users may see an `Error creating virtualenv` when runnng `tox`. If this occurs, install the [tox-venv](https://pypi.org/project/tox-venv/) package using the command `pip install tox-venv` and try again.
### Adding new dependencies to test environment