diff --git a/contrib/plugins/murano_heat-translator_plugin/plugin/csar_package.py b/contrib/plugins/murano_heat-translator_plugin/plugin/csar_package.py
index 9e6894538..6480e0c7e 100644
--- a/contrib/plugins/murano_heat-translator_plugin/plugin/csar_package.py
+++ b/contrib/plugins/murano_heat-translator_plugin/plugin/csar_package.py
@@ -12,7 +12,6 @@
 
 import os
 import shutil
-import six
 import sys
 import yaml
 import zipfile
@@ -271,9 +270,9 @@ class CSARPackage(package_base.PackageBase):
 
     @staticmethod
     def _format_value(value):
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             return u"{}".format(value)
-        return six.text_type(value)
+        return str(value)
 
     @staticmethod
     def _generate_workflow(csar, files):