fix wrote python code in shell script

debian/postinst

@@ -8,13 +8,13 @@ if [ -f "$CONF" ]; then
     # replace login by hostname if unset
     if grep '\$\$LOGIN\$\$' "$CONF" >/dev/null; then
         login=$(hostname)
-        print "*** CC-Node login : ${login}"
+        echo "*** CC-Node login : ${login}"
         sed -e "s/\\\$\\\$LOGIN\\\$\\\$/${login}/g" -i "$CONF"
     fi
     # generate a random password if unset
     if grep '\$\$PASSWORD\$\$' "$CONF" >/dev/null; then
         password=$(cat /dev/urandom | tr -dc A-Za-z0-9 | head -c 12)
-        print "*** CC-Node password : ${password}"
+        echo "*** CC-Node password : ${password}"
         sed -e "s/\\\$\\\$PASSWORD\\\$\\\$/${password}/g"\
             -i "$CONF"
     fi