old_contents: import copy
  import sys
  
  import scipy
  
  import SloppyCell.KeyedList_mod as KeyedList_mod
  KeyedList = KeyedList_mod.KeyedList
  
  def fmin_powell_log_params(m, params, *args, **kwargs):
      func = m.cost_log_params
  
      pmin = scipy.optimize.fmin_powell(func, scipy.log(params), 
                                        *args, **kwargs)
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
  
      return pout
  
  def fmin_log_params(m, params, *args, **kwargs):
      func = m.cost_log_params
  
      pmin = scipy.optimize.fmin(func, scipy.log(params),
                                 *args, **kwargs)
  
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
      return pout
  
  def leastsq_log_params(m, params, *args, **kwargs):
      func = m.res_log_params
  
      pmin, msg = scipy.optimize.leastsq(func, scipy.log(params), *args, **kwargs)
  
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
      return pout
  
new_contents: import copy
  import sys
  
  import scipy
  
  import SloppyCell.KeyedList_mod as KeyedList_mod
  KeyedList = KeyedList_mod.KeyedList
  
  def fmin_powell_log_params(m, params, *args, **kwargs):
      func = m.cost_log_params
  
      pmin = scipy.optimize.fmin_powell(func, scipy.log(params), 
                                        *args, **kwargs)
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
          return pout
      else:
          return scipy.exp(pmin)
  
  def fmin_log_params(m, params, *args, **kwargs):
      func = m.cost_log_params
  
      pmin = scipy.optimize.fmin(func, scipy.log(params),
                                 *args, **kwargs)
  
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
          return pout
      else:
          return scipy.exp(pmin)
  
  def leastsq_log_params(m, params, *args, **kwargs):
      func = m.res_log_params
  
      pmin, msg = scipy.optimize.leastsq(func, scipy.log(params), *args, **kwargs)
  
      if isinstance(params, KeyedList):
          pout = params.copy()
          pout.update(scipy.exp(pmin))
          return pout
      else:
          return scipy.exp(pmin)
  
subject: Fix to handle case where parameters are not passed-in as a KL