code: def _Transform_clear_cache(self):
      if self._cache_size == 1:
          self._cached_x_y = None, None
  
file_path: pyro/pyro/distributions/torch_patch.py
imports: import functools
  import math
  import warnings
  import weakref
  import torch
label_desc: Use image node_id 3 for calling a global function with example usage: _Transform_clear_cache() without return types