Adjust python required packages for alpine:3.12

core/admin/requirements-prod.txt

@@ -38,7 +38,8 @@ python-editor==1.0.4
 pytz==2019.1
 PyYAML==5.1
 redis==3.2.1
-six==1.12.0
+#alpine3:12 provides six==1.15.0
+#six==1.12.0
 socrate==0.1.1
 SQLAlchemy==1.3.3
 srslib==0.1.4
@@ -46,6 +47,6 @@ tabulate==0.8.3
 tenacity==5.0.4
 validators==0.12.6
 visitor==0.1.3
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 WTForms==2.2.1
 WTForms-Components==0.10.4