docs: def install_cache(expire_after=12 * 3600, cache_post=False):
      """
      Patches the requests library with requests_cache.
      """
      allowable_methods = ['GET']
      if cache_post:
          allowable_methods.append('POST')
      requests_cache.install_cache(
          expire_after=expire_after,
          allowable_methods=allowable_methods)