Update grid ui script to source

setup_law_c7_v2.sh

@@ -23,7 +23,8 @@ action() {
     # C7
     # source /cvmfs/grid.cern.ch/umd-c7ui-latest/etc/profile.d/setup-c7-ui-example.sh
     # C7 with python3
-    source /cvmfs/grid.cern.ch/centos7-ui-200122/etc/profile.d/setup-c7-ui-python3-example.sh
+    # source /cvmfs/grid.cern.ch/centos7-ui-200122/etc/profile.d/setup-c7-ui-python3-example.sh
+    source /cvmfs/grid.cern.ch/centos7-ui-160522/etc/profile.d/setup-c7-ui-python3-example.sh
     #
     # Proxy location on afs required by lxplus if using grid storage
     # export X509_USER_PROXY=/afs/cern.ch/user/k/krabbert/tmp/x509up_u7747