old_contents: """ module SimPEG.EM.NSEM
  
  SimPEG implementation of the natural source problem
  (including magenetotelluric, tipper and ZTEM)
  
  
  
  """
  from __future__ import absolute_import
  
  import SimPEG.EM.NSEM.Utils
  import SimPEG.EM.NSEM.SrcNSEM
  from .SurveyNSEM import Survey, Data
  from .RxNSEM import (rx_Point_impedance1D,
  					 rx_Point_impedance3D, rx_Point_tipper3D)
  from .FieldsNSEM import Fields1D_ePrimSec, Fields3D_ePrimSec
  from .ProblemNSEM import Problem1D_ePrimSec, Problem3D_ePrimSec
  
new_contents: """ module SimPEG.EM.NSEM
  
  SimPEG implementation of the natural source problem
  (including magenetotelluric, tipper and ZTEM)
  
  
  
  """
  from __future__ import absolute_import
  
  from . import Utils
  from . import SrcNSEM
  from .SurveyNSEM import Survey, Data
  from .RxNSEM import (rx_Point_impedance1D,
  					 rx_Point_impedance3D, rx_Point_tipper3D)
  from .FieldsNSEM import Fields1D_ePrimSec, Fields3D_ePrimSec
  from .ProblemNSEM import Problem1D_ePrimSec, Problem3D_ePrimSec
  
subject: clean up imports of utils, src