Install yamllint in Docker image (#2009)

wangkuiyi · QiJune · web-flow · commit ad3aab49a7a4 · 2020-06-13T11:30:41.000+08:00
Co-authored-by: QI JUN &lt;qijun1994@hotmail.com&gt;
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -57,6 +57,6 @@ repos:
         language: system
         files: \.(go|py|sh)$
   - repo: https://github.com/adrienverge/yamllint.git
-    rev: v1.17.0
+    rev: v1.23.0
     hooks:
       - id: yamllint
diff --git a/elasticdl/requirements-dev.txt b/elasticdl/requirements-dev.txt
@@ -4,4 +4,5 @@ mock
 Pillow
 pre-commit
 pandas
-sklearn
+sklearn
+yamllint
