Move issues that have stalled

from datetime import datetime, timedelta, timezone
from clickruntime import on_trigger, http, credentials, notify

def linear(query, variables=None):
    r = http.post(
        "https://api.linear.app/graphql",
        headers={"Authorization": credentials.secret("LINEAR_API_KEY")},
        json={"query": query, "variables": variables or {}},
    )
    r.raise_for_status()
    return r.json()["data"]

@on_trigger
def run(event):
    cutoff = (datetime.now(timezone.utc) - timedelta(days=10)).isoformat()
    issues = linear("""query($cutoff: DateTimeOrDuration!) {
      issues(first: 100, filter: {updatedAt: {lt: $cutoff}, state: {name: {eq: "In Review"}}}) {
        nodes { id identifier title team { states(filter: {name: {eq: "Todo"}}) { nodes { id } } } } } }""",
        {"cutoff": cutoff})["issues"]["nodes"]
    moved = []
    for i in issues:
        todo = i["team"]["states"]["nodes"][0]["id"]
        linear("mutation($id: String!, $s: String!) { issueUpdate(id: $id, input: {stateId: $s}) { success } }",
               {"id": i["id"], "s": todo})
        linear("mutation($id: String!) { commentCreate(input: {issueId: $id, body: \"Moved back to Todo: no review activity for 10 days.\"}) { success } }",
               {"id": i["id"]})
        moved.append(f"{i['identifier']} {i['title']}")
    if moved:
        notify.email_me(f"Moved {len(moved)} stale reviews back to Todo", "\n".join(moved))
    return {"moved": len(moved)}