code: def test_sanitize_labels_kill_empty():
      """Keys that are sanitized to the empty string should NOT make it through."""
      assert {} == u.sanitize_labels([["--!!", "face"]])
  
file_path: caliban/tests/caliban/platform/cloud/test_util.py
imports: import re
  import hypothesis.strategies
  from hypothesis import given
  import caliban.platform.cloud.util
label_desc: Use image node_id 9 for calling a global function with example usage: test_sanitize_labels_kill_empty() without return types