install requests with package manager, not pip
diff --git a/containers/xos/Dockerfile.devel b/containers/xos/Dockerfile.devel
index 2b796e4..f1be312 100644
--- a/containers/xos/Dockerfile.devel
+++ b/containers/xos/Dockerfile.devel
@@ -35,6 +35,7 @@
     python-neutronclient \
     python-glanceclient \
     python-ceilometerclient
+    python-requests
 
 RUN pip install \
     django==1.7 \
@@ -62,8 +63,7 @@
     python-logstash \
     pygraphviz \
     pytz \
-    pyyaml \
-    requests
+    pyyaml
 
 RUN easy_install --upgrade httplib2