We do not have this optional test dependency packaged yet.

--- domdf_python_tools-3.9.0/tox.ini.orig
+++ domdf_python_tools-3.9.0/tox.ini
@@ -218,7 +218,6 @@
 unused-arguments-ignore-variadic-names = True
 
 [coverage:run]
-plugins = coverage_pyver_pragma
 
 [coverage:report]
 fail_under = 95
--- domdf_python_tools-3.9.0/tests/requirements.txt.orig
+++ domdf_python_tools-3.9.0/tests/requirements.txt
@@ -2,7 +2,6 @@
 coincidence>=0.2.0
 consolekit>=1.0.0
 coverage>=5.1
-coverage-pyver-pragma>=0.2.1
 faker>=4.1.2
 flake8<5,>=3.8.4
 funcy>=1.16