code: def remove_key_with_none_value(incoming_dict):
      if isinstance(incoming_dict, dict):
          return _expand(_clean_dict(incoming_dict))
      elif incoming_dict:
          return incoming_dict
      else:
          return None
  
file_path: pyecharts/pyecharts/commons/utils.py
imports: import re
  from ..datasets import EXTRA, FILENAMES
label_desc: Use image node_id 7 for calling a global function with example usage: remove_key_with_none_value(incoming_dict) and returns: _expand, incoming_dict, None