docstr: Removes all existing labels starting with LABEL_PREFIX
docstr_tok: ["Removes","all","existing","labels","starting","with","LABEL_PREFIX"]
code: def clear_current_state(self):
      """
      Removes all existing labels starting with LABEL_PREFIX
      """
      for label in self.pull.get_labels():
          if label.name.startswith(LABEL_PREFIX):
              self.pull.remove_from_labels(label)
  
imports: import enum
  import os
  import shlex
  from pathlib import Path
  from functools import lru_cache, partial
  import tempfile
  import click
  import github
  from .utils.git import git
  from .utils.logger import logger
  from .crossbow import Repo, Queue, Config, Target, Job, CommentReport
label_desc: Use image node_id 7 for calling the PullRequestWorkflowBot obj's underlying member method code with example usage: obj.clear_current_state() without return types