class_docstr: Parser action for confidence level alpha to validate its value.
class_docstr_tok: ["Parser","action","for","confidence","level","alpha","to","validate","its","value","."]
code: def __call__(self, parser, namespace, values, option_string=None):
      if values <= 0.0 or values >= 1.0:
          parser.error(
              f"The alpha range of '{option_string}' should be (0.0, 1.0)."
          )
  
      setattr(namespace, self.dest, values)
  
imports: import argparse
  import collections
  import logging
  import json
  import os
  from operator import attrgetter
  import numpy
  from scipy.stats import t
label_desc: Use image node_id 1 for calling the AlphaAction obj's underlying member method code with example usage: obj.__call__(parser, namespace, values, option_string) without return types