How to use the libmozevent.phabricator.PhabricatorBuild function in libmozevent

async def process_build(self, build):
        """
        Code review workflow to load all necessary information from Phabricator builds
        received from the webserver
        """
        assert build is not None, "Invalid payload"
        assert isinstance(build, PhabricatorBuild)

        # Update its state
        self.update_state(build)

        if build.state == PhabricatorBuildState.Public:

            # Check if the author is not blacklisted
            if self.is_blacklisted(build.revision):
                return

            # When the build is public, load needed details
            try:
                self.load_patches_stack(build)
                logger.info("Loaded stack of patches", build=str(build))
            except Exception as e:
                logger.warning(

async def process_build(self, build):
        assert build is not None, "Invalid payload"
        assert isinstance(build, PhabricatorBuild)

        # Start risk analysis
        await self.start_risk_analysis(build)