import os, jsonfrom github import Github label_prefix = os.environ['LABEL_PREFIX']context = json.loads(os.environ['GITHUB_CONTEXT'])pr = Github(os.environ['GITHUB_TOKEN']).get_repo(context['repository']).get_pull(context['event']['number'])for label in pr.get_labels():    if label.name.startswith(label_prefix):        pr.remove_from_labels(label.name)