We do not have this optional test dependency packaged yet.

--- pyproject-parser-0.13.0/tox.ini.orig
+++ pyproject-parser-0.13.0/tox.ini
@@ -225,7 +225,6 @@
 unused-arguments-ignore-variadic-names = True
 
 [coverage:run]
-plugins = coverage_pyver_pragma
 
 [check-wheel-contents]
 ignore = W002
--- pyproject-parser-0.13.0/tests/requirements.txt.orig
+++ pyproject-parser-0.13.0/tests/requirements.txt
@@ -1,7 +1,6 @@
 # git+https://github.com/repo-helper/pyproject-examples
 coincidence>=0.2.0
 coverage>=5.1
-coverage-pyver-pragma>=0.2.1
 importlib-metadata>=3.6.0
 nh3<=0.2.14; python_version < "3.9" and implementation_name == "pypy"
 pyproject-examples>=2023.6.30