1 files changed, 1 insertions, 1 deletions
diff --git a/tox.ini b/tox.ini
index 86909c4..9eb73d0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@ per-file-ignores =
     fietsboek/models/__init__.py:F401
 
 [tox]
-envlist = python,pylint,pylint-tests,flake,mypy,black
+envlist = python,pylint,pylint-tests,flake,mypy,black,isort
 # This can be removed in tox 4 as it will be the default:
 isolated_build = true