text: #
  # Unblock a github user
  # Note: your token needs 'user' access for this API
  # Usage: ghb unblock USER
  #
  import sys
  
  import requests
  
  from .helpers import credentials
  
  BLOCK_URL = "https://api.github.com/user/blocks/%s"
  
  
  def main(args):
      block_user = args.user
      user, password = credentials.credentials()
      headers = {
          "Accept": "application/vnd.github.giant-sentry-fist-preview+json"
      }
      r = requests.delete(
          BLOCK_URL % block_user, auth=(user, password), headers=headers
      )
      if r.status_code == 404:
          print("User '%s' doesn't exist" % block_user)
          sys.exit(1)
      elif r.status_code != 204:
          print("Failed to block user: %d" % r.status_code)
          sys.exit(1)
  