Use tox 'run' command, now that tox 4 is released

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
  python -m pip install --upgrade pip
  python -m pip install --upgrade tox
  - name: Test with tox
- run: tox -e py -- --color=yes
+ run: tox run --colored=yes -e py -- --color=yes
 
  package:
 

how_to_build.md

@@ -11,7 +11,7 @@ Ensure that the following are installed:
 From a command prompt in the root of the repo, run
 
 ```powershell
-tox
+tox run
 ```
 
 This will build a source distribution and run tests in all supported environments. This replicates the

tox.ini

@@ -15,4 +15,4 @@ commands =
  black --check --diff --quiet .
  pylama src tests
  mypy src tests
- pytest {posargs}
+ pytest {tty:--color=yes} {posargs}