[DLAB-176]: Fixed issue with install devtools R package
diff --git a/infrastructure-provisioning/src/general/lib/os/redhat/common_lib.py b/infrastructure-provisioning/src/general/lib/os/redhat/common_lib.py
index 316f792..12d2116 100644
--- a/infrastructure-provisioning/src/general/lib/os/redhat/common_lib.py
+++ b/infrastructure-provisioning/src/general/lib/os/redhat/common_lib.py
@@ -27,7 +27,7 @@
 import os
 
 
-def ensure_pkg(user, requisites='git vim gcc python-devel openssl-devel nmap libffi libffi-devel unzip'):
+def ensure_pkg(user, requisites='git vim gcc python-devel openssl-devel nmap libffi libffi-devel unzip libxml2-devel'):
     try:
         if not exists('/home/{}/.ensure_dir/pkg_upgraded'.format(user)):
             print("Updating repositories and installing requested tools: {}".format(requisites))
diff --git a/infrastructure-provisioning/src/general/lib/os/redhat/notebook_lib.py b/infrastructure-provisioning/src/general/lib/os/redhat/notebook_lib.py
index a103d26..ef0c4ba 100644
--- a/infrastructure-provisioning/src/general/lib/os/redhat/notebook_lib.py
+++ b/infrastructure-provisioning/src/general/lib/os/redhat/notebook_lib.py
@@ -218,7 +218,7 @@
         try:
             sudo('pip2 install pyparsing==2.0.3')
             sudo('yum install -y python-setuptools python-wheel')
-            sudo('yum install -y python-virtualenv openssl-devel python-devel openssl-libs libxml2-devel libxslt-devel --nogpgcheck')
+            sudo('yum install -y python-virtualenv openssl-devel python-devel openssl-libs libxslt-devel --nogpgcheck')
             try:
                 sudo('python2 -m pip install backports.shutil_get_terminal_size tornado=={0} ipython ipykernel=={1} --no-cache-dir' \
                      .format(os.environ['notebook_tornado_version'], os.environ['notebook_ipykernel_version']))