code: def _get_cache():
      """
      Retrieve a list of cached numba functions
  
      Parameters
      ----------
      None
  
      Returns
      -------
      out : list
          A list of cached numba functions
      """
      warnings.warn(CACHE_WARNING)
      site_pkg_dir = site.getsitepackages()[0]
      numba_cache_dir = site_pkg_dir + "/stumpy/__pycache__"
      return [
          f.name
          for f in pathlib.Path(numba_cache_dir).glob("*nb*")
          if f.is_file()
      ]
  
file_path: stumpy/stumpy/cache.py
imports: import ast
  import importlib
  import pathlib
  import pkgutil
  import site
  import warnings
label_desc: Use image node_id 4 for calling a global function with example usage: _get_cache() and returns: unknown