old_contents: """
      BaseClass module for Numerical Methods
      for Non-Linear root finding
  """
  
  class Nu_Meth:
      _max_iter = 500  # maximum iteriation before the solver quits
      _tol = 0.0001 # tolerance
      _fptr = None
  
      def __init__():
          pass
      
      def execute(self):
          raise NotImplemented
  
      def set_tol(self,tol):
          self._tol = tol
  
      def set_maxIter(mIter):
          self._max_iter = mIter
  
      def set_fptr(fptr):
          self._fptr = fptr
  
new_contents: """
      BaseClass module for Numerical Methods
      for Non-Linear root finding
  """
  
  class Nu_Meth:
      _max_iter = 500  # maximum iteriation before the solver quits
      _tol = 0.0001 # tolerance
  
      def __init__():
          pass
      
      def execute(self):
          raise NotImplemented
  
      def set_tol(self,tol):
          self._tol = tol
  
      def set_maxIter(mIter):
          self._max_iter = mIter
  
subject: Update Nu_Meth.py