freeze version 2.2.1 (#3266)

hellock · web-flow · commit 6495391749df · 2020-07-10T01:51:38.000+08:00
diff --git a/mmdet/VERSION b/mmdet/VERSION
@@ -1 +1 @@
-2.2.0
+2.2.1
diff --git a/requirements/runtime.txt b/requirements/runtime.txt
@@ -1,5 +1,5 @@
 matplotlib
-mmcv>=0.6.2
+mmcv==0.6.2
 numpy
 # need older pillow until torchvision is fixed
 Pillow<=6.2.2
