Fix the error of drf-yasg

Issue-ID: VFC-1465
Signed-off-by: Olivia.Zhan <zhan.jie1@zte.com.cn>
Change-Id: I8d0a78dd6eac5f5f529581b135bac033ab849142

diff --git a/requirements.txt b/requirements.txt
index 4b13645..b8b5e85 100644 (file)
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,6 +26,7 @@ unittest_xml_reporting==1.12.0
 nfv-toscaparser==1.1.2.dev2
 
 # for auto swagger
+ruamel.yaml==0.15.97
 drf-yasg==1.16.0
 flex>=6.11.1
 swagger-spec-validator>=2.1.0