$ ick run --patch
-> i_have_no_tests OK
-> move_isort_cfg FAIL
     move_isort_cfg
diff --git isort.cfg isort.cfg
deleted file mode 100644
index fbab120..0000000
--- isort.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[settings]
-line_length = 88
-multi_line_output = 3
diff --git pyproject.toml pyproject.toml
index e69de29..089c824 100644
--- pyproject.toml
+++ pyproject.toml
@@ -0,0 +1,3 @@
+[tool.isort]
+line_length = "88"
+multi_line_output = "3"
-> show_ick_vars FAIL
     ICK_REPO_PATH=/CWD
