class_docstr: Base support interface for NiftyReg commands.
class_docstr_tok: ["Base","support","interface","for","NiftyReg","commands","."]
code: def _format_arg(self, name, spec, value):
      if name == "omp_core_val":
          self.numthreads = value
      return super()._format_arg(name, spec, value)
  
imports: import os
  from packaging.version import Version
  from ...None import logging
  from ..base import CommandLine, CommandLineInputSpec, traits, Undefined, PackageInfo
  from ...utils.filemanip import split_filename
label_desc: Use image node_id 7 for calling the NiftyRegCommand obj's underlying member method code with example usage: obj._format_arg(name, spec, value) and returns: super