code: def _initialize_installation(self):
          
  
          private_key_client = security.generate_rsa_private_key()
          installation = core.Installation.create(
              self,
              security.public_key_to_string(private_key_client.publickey())
          ).value
          token = installation.token.token
          public_key_server_string = \
              installation.server_public_key.server_public_key
          public_key_server = RSA.import_key(public_key_server_string)
  
          self._installation_context = InstallationContext(
              token,
              private_key_client,
              public_key_server
          )
docs: :rtype: None