old_contents: 
  import numpy as _np
  import lnls as _lnls
  import pyaccel as _pyaccel
  from . import lattice as _lattice
  
  
  _default_cavity_on = False
  _default_radiation_on = False
  _default_vchamber_on = False
  
  
  def create_accelerator():
      accelerator = _pyaccel.accelerator.Accelerator(
          lattice=_lattice.create_lattice(),
          energy=_lattice._energy,
          radiation_on=_default_radiation_on,
          vchamber_on=_default_vchamber_on
      )
  
      return accelerator
  
  
  _folder_code = _lnls.system.folder_code
  
  accelerator_data = dict()
  accelerator_data['lattice_version'] = 'LI_V00'
  accelerator_data['dirs'] = {
      'excitation_curves': _lnls.system.folder_excitation_curves,
  }
  accelerator_data['global_coupling']  = 1.00 # expected corrected value
  accelerator_data['emittance']        = 170.3329758677203e-09 # [m·rad]
  accelerator_data['energy_spread']    = 0.005
  accelerator_data['twiss_at_exit']    = _pyaccel.optics.Twiss.make_new(beta=[7.0,7.0], alpha=[-1.0,-1.0])
  accelerator_data['pressure_profile'] = None
  
new_contents: 
  import numpy as _np
  import lnls as _lnls
  import pyaccel as _pyaccel
  from . import lattice as _lattice
  
  
  _default_cavity_on = False
  _default_radiation_on = False
  _default_vchamber_on = False
  
  
  def create_accelerator():
      accelerator = _pyaccel.accelerator.Accelerator(
          lattice=_lattice.create_lattice(),
          energy=_lattice._energy,
          radiation_on=_default_radiation_on,
          vchamber_on=_default_vchamber_on
      )
  
      return accelerator
  
  
  _folder_code = _lnls.system.folder_code
  
  accelerator_data = dict()
  accelerator_data['lattice_version'] = 'LI_V00'
  accelerator_data['dirs'] = {
      'excitation_curves': _lnls.system.folder_excitation_curves,
  }
  accelerator_data['global_coupling']  = 1.00 # expected corrected value
  accelerator_data['emittance']        = 170.3329758677203e-09 # [m·rad]
  accelerator_data['energy_spread']    = 0.005
  accelerator_data['twiss_at_exit']    = _pyaccel.optics.Twiss.make_new(beta=[7.0,7.0], alpha=[0.0,0.0])
  accelerator_data['pressure_profile'] = None
  
subject: Change initial twiss parameters