code: def test_drop_nocrash_absent_subds(path=None):
      parent = Dataset(path).create()
      parent.create("sub")
      parent.drop("sub", reckless="availability")
      assert_repo_status(parent.path)
      with chpwd(path):
          assert_status("notneeded", drop(".", recursive=True))
  
imports: import os
  import os.path
  from pathlib import Path
  from unittest.mock import patch
  from datalad.api import Dataset, clone, create, drop
  from datalad.distributed.drop import _detect_nondead_annex_at_remotes, _detect_unpushed_revs
  from datalad.support.exceptions import IncompleteResultsError, NoDatasetFound
  from datalad.support.gitrepo import GitRepo
  from datalad.tests.utils_pytest import DEFAULT_BRANCH, DEFAULT_REMOTE, OBSCURE_FILENAME, assert_in, assert_in_results, assert_raises, assert_repo_status, assert_result_count, assert_status, eq_, get_deeply_nested_structure, known_failure_githubci_win, nok_, ok_, with_tempfile
  from datalad.utils import chpwd
label_desc: Use image node_id 11 for calling a global function with example usage: test_drop_nocrash_absent_subds(path) without return types