code: def build_cert_chain(self, flags=SSL_BUILD_CHAIN_FLAG_NONE):
          u'''
          Used for server side only!
  
          :param flags:
          :return: 1 for success and 0 for failure
          '''
          retVal = SSL_CTX_build_cert_chain(self._ctx, flags)
          return retVaf build_cert_chain(self, flags=SSL_BUILD_CHAIN_FLAG_NONE):
          u'''
          Used for server side only!
  
          :param flags:
          :return: 1 for success and 0 for failure
          '''
          retVal = SSL_CTX_build_cert_chain(self._ctx, flags)
          return retVal
docs: u'''
          Used for server side only!
  
          :param flags:
          :return: 1 for success and 0 for failure