diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5d7a8fd..c9d43b7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/psf/black
-  rev: 20.8b1
+  rev: 22.10.0
   hooks:
     - id: black
       args:
diff --git a/lib/DxTimeflow.py b/lib/DxTimeflow.py
index 0270292..1c5390b 100644
--- a/lib/DxTimeflow.py
+++ b/lib/DxTimeflow.py
@@ -36,7 +36,7 @@
 
 
 class DxTimeflow(object):
-    """Shared methods for timeflows """
+    """Shared methods for timeflows"""
 
     def __init__(self, engine):
         self.engine = engine