Fix typo

1 files changed, 1 insertions, 1 deletions

diff --git a/tasks.py b/tasks.py
index 000af0a5..6b552768 100644
--- a/tasks.py
+++ b/tasks.py
@@ -44,7 +44,7 @@ namespace.add_task(pytest)
 def pytest_clean(context):
     "Remove pytest cache and code coverage files and directories"
     #pylint: disable=unused-argument
-    dirs = ['.pytest-cache', '.cache', 'htmlcov', '.coverage']
+    dirs = ['.pytest_cache', '.cache', 'htmlcov', '.coverage']
     rmrf(dirs)
 namespace_clean.add_task(pytest_clean, 'pytest')