class_docstr: A histogram measures the distribution of values in a stream of data.
class_docstr_tok: ["A","histogram","measures","the","distribution","of","values","in","a","stream","of","data","."]
code: def __init__(
      self,
      name: str,
      description: str = "",
      tag_keys: Optional[Tuple[str]] = None,
  ):
      super().__init__(name, description, tag_keys)
      self._data = list()
      self._last_time = time.time()
  
imports: import time
  from abc import ABC
  from typing import Dict, Optional, Tuple
label_desc: Use image node_id 1 to create a new AbstractHistogram object from inherited base classes: AbstractMetric with example: obj = AbstractHistogram(name, description, tag_keys)