code: def entity_readme_content(self, entity_id, channel=None):
          '''Get the readme for an entity.
  
          @entity_id The id of the entity (i.e. charm, bundle).
          @param channel Optional channel name.
          '''
          readme_url = self.entity_readme_url(entity_id, channel=channel)
          response = self._get(readme_url)
          return response.texf entity_readme_content(self, entity_id, channel=None):
          '''Get the readme for an entity.
  
          @entity_id The id of the entity (i.e. charm, bundle).
          @param channel Optional channel name.
          '''
          readme_url = self.entity_readme_url(entity_id, channel=channel)
          response = self._get(readme_url)
          return response.text
docs: Get the readme for an entity.
  
          @entity_id The id of the entity (i.e. charm, bundle).
          @param channel Optional channel name.