def api_pivotal_webhook_v5(request, user_profile, stream):
    payload = ujson.loads(request.body)

    event_type = payload["kind"]

    project_name = payload["project"]["name"]
    project_id = payload["project"]["id"]

    primary_resources = payload["primary_resources"][0]
    story_url = primary_resources["url"]
    story_type = primary_resources["story_type"]
    story_id = primary_resources["id"]
    story_name = primary_resources["name"]

    performed_by = payload.get("performed_by", {}).get("name", "")

    story_info = "[%s](https://www.pivotaltracker.com/s/projects/%s): [%s](%s)" % (project_name, project_id, story_name, story_url)

    changes = payload.get("changes", [])

    content = ""
    subject = "#%s: %s" % (story_id, story_name)

    def extract_comment(change):
        if change.get("kind") == "comment":
            return change.get("new_values", {}).get("text", None)
        return None

    if event_type == "story_update_activity":
        # Find the changed valued and build a message
        content += "%s updated %s:\n" % (performed_by, story_info)
        for change in changes:
            old_values = change.get("original_values", {})
            new_values = change["new_values"]

            if "current_state" in old_values and "current_state" in new_values:
                content += "* state changed from **%s** to **%s**\n" % (old_values["current_state"], new_values["current_state"])
            if "estimate" in old_values and "estimate" in new_values:
                old_estimate = old_values.get("estimate", None)
                if old_estimate is None:
                    estimate = "is now"
                else:
                    estimate = "changed from %s to" % (old_estimate,)
                new_estimate = new_values["estimate"] if new_values["estimate"] is not None else "0"
                content += "* estimate %s **%s points**\n" % (estimate, new_estimate)
            if "story_type" in old_values and "story_type" in new_values:
                content += "* type changed from **%s** to **%s**\n" % (old_values["story_type"], new_values["story_type"])

            comment = extract_comment(change)
            if comment is not None:
                content += "* Comment added:\n~~~quote\n%s\n~~~\n" % (comment,)

    elif event_type == "comment_create_activity":
        for change in changes:
            comment = extract_comment(change)
            if comment is not None:
                content += "%s added a comment to %s:\n~~~quote\n%s\n~~~" % (performed_by, story_info, comment)
    elif event_type == "story_create_activity":
        content += "%s created %s: %s\n" % (performed_by, story_type, story_info)
        for change in changes:
            new_values = change.get("new_values", {})
            if "current_state" in new_values:
                content += "* State is **%s**\n" % (new_values["current_state"],)
            if "description" in new_values:
                content += (new_values["description"],) % "* Description is\n\n> %s"
    elif event_type == "story_move_activity":
        content = "%s moved %s" % (performed_by, story_info)
        for change in changes:
            old_values = change.get("original_values", {})
            new_values = change["new_values"]
            if "current_state" in old_values and "current_state" in new_values:
                content += " from **%s** to **%s**" % (old_values["current_state"], new_values["current_state"])
    elif event_type in ["task_create_activity", "comment_delete_activity",
                        "task_delete_activity", "task_update_activity",
                        "story_move_from_project_activity", "story_delete_activity",
                        "story_move_into_project_activity"]:
        # Known but unsupported Pivotal event types
        pass
    else:
        logging.warning("Unknown Pivotal event type: %s" % (event_type,))

    return subject, content
dataset/ETHPy150Open zulip/zulip/zerver/views/webhooks/pivotal.py/api_pivotal_webhook_v5/swapped operands of `%`