Add missing _descriptions

server_environment/models/server_env_mixin.py

@@ -97,6 +97,7 @@ class ServerEnvMixin(models.AbstractModel):
 
     """
     _name = 'server.env.mixin'
+    _description = 'Mixin to add server environment in existing models'
 
     server_env_defaults = fields.Serialized()
 

server_environment/serv_config.py

@@ -153,6 +153,7 @@ class _Defaults(dict):
 class ServerConfiguration(models.TransientModel):
     """Display server configuration."""
     _name = 'server.config'
+    _description = 'Display server configuration'
     _conf_defaults = _Defaults()
 
     @classmethod