class Reviews(BaseModel):
    nodes: List[ReviewNode]


class PullRequestNode(BaseModel):
    number: int
    labels: Labels
    author: Union[Author, None] = None
    title: str
    createdAt: datetime
    state: str
    comments: Comments
    reviews: Reviews


class PullRequestEdge(BaseModel):
    cursor: str
    node: PullRequestNode


class PullRequests(BaseModel):