class_docstr: Parses command line argument to get test file and test name
class_docstr_tok: ["Parses","command","line","argument","to","get","test","file","and","test","name"]
code: def __call__(self, parser, namespace, values, option_string=None):
      name = re.split("\.py:|\.", values)
      if len(name) != 2:
          raise ValueError(
              "Invalid argument format for test. Format: "
              "<file-name>.<test-name> or"
              " <directory>/<file>:<test-name>"
          )
      setattr(namespace, "test_path", find_test_path(name[0]))
      setattr(namespace, "test_name", name[1])
  
file_path: mxnet/tools/flakiness_checker.py
imports: import subprocess
  import sys
  import os
  import random
  import argparse
  import re
  import logging
label_desc: Use image node_id 1 for calling the NameAction obj's underlying member method code with example usage: obj.__call__(parser, namespace, values, option_string) without return types