def _load_scratch_orgs(self):
        """ Creates all scratch org configs for the project in the keychain if
            a keychain org doesn't already exist """
        current_orgs = self.list_orgs()
        if not self.project_config.orgs__scratch:
            return
        for config_name in self.project_config.orgs__scratch.keys():
            if config_name in current_orgs:
                # Don't overwrite an existing keychain org
                continue
            self.create_scratch_org(config_name, config_name)
Creates all scratch org configs for the project in the keychain if
            a keychain org doesn't already exist