1 files changed, 3 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 4ad8f36..4689516 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ isolated_build = True
 [testenv]
 extras = testing
 deps = pytidylib
+allowlist_externals = coverage
 commands =
     coverage run --source=markdown -m unittest discover {toxinidir}/tests
     coverage xml
@@ -20,7 +21,8 @@ deps =
 
 [testenv:flake8]
 deps = flake8
-commands = flake8 {toxinidir}/markdown {toxinidir}/tests {toxinidir}/setup.py
+allowlist_externals = flake8
+commands = flake8 {toxinidir}/markdown {toxinidir}/tests
 skip_install = true
 
 [testenv:checkspelling]