new_contents: 
  from __future__ import division
  
  import sys
  import numpy as np
  sys.path.append('/media/ixaxaar/Steam/src/nest/local/lib/python2.7/site-packages/')
  import nest
  import nest.raster_plot
  import nest.voltage_trace
  import uuid
  import pylab
  
  nest.SetKernelStatus({"resolution": .001})
  u = uuid.uuid4()
  
  nest.CopyModel('ac_generator', u, {'amplitude': 1., 'frequency':  20.})
  ac = nest.Create(u)
  
  
  n = ()
  for i in xrange(1,10):
    r = np.random.uniform(1000)
    print r
    n += nest.Create("relaxos_van_der_pol", 1, {"epsilon": r/1000, "input_currents_ex": r/1000})
  
  d = nest.Create("spike_detector")
  
  v = nest.Create('voltmeter', 1, {"withgid": True, "withtime": True})
  
  # nest.Connect(ac, n, 'all_to_all', {'weight': .05, 'model': 'static_synapse'})
  nest.Connect(n, n, 'all_to_all', {'weight': .1, 'model': 'static_synapse'})
  nest.Connect(v, n)
  
  nest.Simulate("1000")
  
  nest.voltage_trace.from_device(v)
  pylab.show()
  
  
subject: Add code to test van der pol model