class_docstr: A flow to generate some statistics about the movie genres.
  
  The flow performs the following steps:
  1) Ingests a CSV into a dataframe.
  2) Fan-out over genre using Metaflow foreach.
  3) Compute quartiles for each genre.
  4) Save a dictionary of genre-specific statistics.
docstr: End the flow.
docstr_tok: ["End","the","flow","."]
code: def end(self):
      """
      End the flow.
  
      """
      pass
  
file_path: metaflow/metaflow/tutorials/02-statistics/stats.py
imports: from metaflow import FlowSpec, step, IncludeFile
label_desc: Use image node_id 4 for calling the MovieStatsFlow obj's underlying member method code with example usage: obj.end() without return types