Remove instruction to install tox-factor (#267)

* Remove instruction to install `tox-factor` This is no longer necessary with tox version 4 rpkilby/tox-factor#18 * Empty commit to trigger build --------- Co-authored-by: Aaron Abbott <[email protected]>
GoogleCloudPlatform · Aug 3, 2023 · 5d1e729 · 5d1e729
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commit 5d1e729
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/contributing.md b/docs/contributing.md
@@ -43,7 +43,7 @@ This project uses [tox](https://tox.readthedocs.io/en/latest/index.html) for
 development, so make sure it is installed on your system:
 
 ```sh
-pip install tox tox-factor
+pip install tox
 ```
 
 To create a virtual environment `venv/` at the root of the repository (useful