class_docstr: Class to temporarily catch sys.displayhook
code: def __exit__(self, type, value, traceback):
      sys.displayhook = self.old_hook
      # Returning False will cause exceptions to propagate
      return False
  
file_path: altair/altair/utils/execeval.py
imports: import ast
  import sys
label_desc: Use image node_id 3 for calling the _CatchDisplay obj's underlying member method code with example usage: obj.__exit__(type, value, traceback) and returns: False