code: def _try_tensor_text(val):
      if not _is_text_tensor(val.tensor):
          return None
      try:
          return b"".join(val.tensor.string_val).decode("utf_8")
      except Exception as e:
          log.warning("Error decoding attr %s: %s", val.tag, e)
          return None
  
imports: import glob
  import hashlib
  import logging
  import os
  from guild import tensorboard_util
label_desc: Use image node_id 15 for calling a global function with example usage: _try_tensor_text(val) and returns: None, bytes, None