class_docstr: A flow where Metaflow prints 'Hi'.
  
  Run this flow to validate that Metaflow is installed correctly.
class_docstr_tok: ["A","flow","where","Metaflow","prints","'Hi","'",".","Run","this","flow","to","validate","that","Metaflow","is","installed","correctly","."]
docstr: This is the 'end' step. All flows must have an 'end' step, which is the
  last step in the flow.
docstr_tok: ["This","is","the","'end","'","step",".","All","flows","must","have","an","'end","'","step",",","which","is","the","last","step","in","the","flow","."]
code: def end(self):
      """
      This is the 'end' step. All flows must have an 'end' step, which is the
      last step in the flow.
  
      """
      print("HelloFlow is all done.")
  
imports: from metaflow import FlowSpec, step
label_desc: Use image node_id 3 for calling the HelloFlow obj's underlying member method code with example usage: obj.end() without return types