code: def get_project_language_analytics(self, project):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          response = self._send(http_method='GET',
                                location_id='5b02a779-1867-433f-90b7-d23ed5e33e57',
                                version='5.0-preview.1',
                                route_values=route_values)
          return self._deserialize('ProjectLanguageAnalytics', response)
docs: GetProjectLanguageAnalytics.
          [Preview API]
          :param str project: Project ID or project name
          :rtype: :class:`<ProjectLanguageAnalytics> <azure.devops.v5_0.project_analysis.models.ProjectLanguageAnalytics>`