old_contents: from parsl.launchers.launchers import SimpleLauncher, SingleNodeLauncher, \
      SrunLauncher, AprunLauncher, SrunMPILauncher, AprunLauncher, \
      GnuParallelLauncher, MpiExecLauncher
  
  __all__ = ['SimpleLauncher',
             'SingleNodeLauncher',
             'SrunLauncher',
             'AprunLauncher',
             'SrunMPILauncher',
             'AprunLauncher',
             'GnuParallelLauncher',
             'MpiExecLauncher']
  
new_contents: from parsl.launchers.launchers import SimpleLauncher, SingleNodeLauncher, \
      SrunLauncher, AprunLauncher, SrunMPILauncher, AprunLauncher, \
      GnuParallelLauncher, MpiExecLauncher, MpiRunLauncher
  
  __all__ = ['SimpleLauncher',
             'SingleNodeLauncher',
             'SrunLauncher',
             'AprunLauncher',
             'SrunMPILauncher',
             'AprunLauncher',
             'GnuParallelLauncher',
             'MpiExecLauncher',
             'MpiRunLauncher']
  
subject: add to init