diff --git a/README.md b/README.md
index e69de29bb2..4a294e3dcb 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,11 @@
+# SenseAction
+
+Action recognition library.
+
+### Development Guide
+
+```bash
+# install pre-commit tool
+pip install pre-commit
+pre-commit install
+```
diff --git a/mmaction/utils/logger.py b/mmaction/utils/logger.py
index f4a5b0f2b6..d67a07b4cb 100644
--- a/mmaction/utils/logger.py
+++ b/mmaction/utils/logger.py
@@ -1,4 +1,5 @@
 import logging
+
 from mmcv.runner import get_dist_info