diff --git a/roles/ldap_server/library/m_ldap_permissions.py b/roles/ldap_server/library/m_ldap_permissions.py
index 54b014876d8e01b8a86a95e8887138a6f6a6c5b7..58b4a4bba9a8ac72263ddbe9b4eb5fd42a0492cb 100644
--- a/roles/ldap_server/library/m_ldap_permissions.py
+++ b/roles/ldap_server/library/m_ldap_permissions.py
@@ -1,7 +1,10 @@
 #!/usr/bin/python3
 
+from __future__ import (absolute_import, division, print_function)
 from ansible.module_utils.basic import AnsibleModule
 
+__metaclass__ = type
+
 # Try to load the Python LDAP module.
 try:
     import ldap
@@ -256,7 +259,7 @@ class LDAPPermissions(object):
             return True
 
 
-def main():
+def run_module():
     """
     Runs the module.
     """
@@ -298,5 +301,9 @@ def main():
     module.exit_json(changed=changed)
 
 
-# Import module snippets.
-main()
+def main():
+    run_module()
+
+
+if __name__ == '__main__':
+    main()