code: def get_scalar(self, key):
      return _find_scalar(key, self._ensure_scalars())
  
file_path: guildai/guild/filter_util.py
imports: from guild import filter
  from guild import index
  from guild import var
label_desc: Use image node_id 4 for calling the _FilterRun obj's underlying member method code with example usage: obj.get_scalar(key) and returns: _find_scalar