Fix bug when installing vim_db based on ovim.py version

Change-Id: I21dfd6e4524d6d7e52902674278e739b5079d360
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/database_utils/migrate_vim_db.sh b/database_utils/migrate_vim_db.sh
index 6318769..a2c116c 100755
--- a/database_utils/migrate_vim_db.sh
+++ b/database_utils/migrate_vim_db.sh
@@ -36,6 +36,7 @@
 AWK=$(which awk)
 GREP=$(which grep)
 DIRNAME=`dirname $0`
+HERE=$(realpath $(dirname $0))
 
 function usage(){
     echo -e "Usage: $0 OPTIONS  [{openvim_version}]"
@@ -93,7 +94,7 @@
 OPENVIM_VER="$1"
 if [ -z "$OPENVIM_VER" ]
 then
-    OVIM_PATH=`python -c 'import osm_openvim; print osm_openvim.__path__[0]' 2> /dev/null`
+    OVIM_PATH=$(dirname $HERE)
     OPENVIM_VER=`python ${OVIM_PATH}/ovim.py -v 2> /dev/null`
     OPENVIM_VER=${OPENVIM_VER%%-r*}
     OPENVIM_VER=${OPENVIM_VER##*version }