code: def _get_content_hash(self):  # type: () -> str
          
          content = self._local_config
  
          relevant_content = {}
          for key in self._relevant_keys:
              relevant_content[key] = content.get(key)
  
          content_hash = sha256(
              json.dumps(relevant_content, sort_keys=True).encode()
          ).hexdigest()
  
          return content_hash
docs: Returns the sha256 hash of the sorted content of the pyproject file.