old_contents: class Solution(object):
      """Stores the solution from optimizing a cobra.Model. This is
      used to provide a single interface to results from different
      solvers that store their values in different ways.
  
      f: The objective value
  
      solver: A string indicating which solver package was used.
  
      x: List or Array of the values from the primal.
  
      x_dict: A dictionary of reaction ids that maps to the primal values.
  
      y: List or Array of the values from the dual.
  
      y_dict: A dictionary of reaction ids that maps to the dual values.
  
      """
  
      def __init__(self, f, x=None,
                   x_dict=None, y=None, y_dict=None,
                   solver=None, the_time=0, status='NA'):
          self.solver = solver
          self.f = f
          self.x = x
          self.x_dict = x_dict
          self.status = status
          self.y = y
          self.y_dict = y_dict
  
      def dress_results(self, model):
          """.. warning :: deprecated"""
          from warning import warn
          warn("unnecessary to call this deprecated function")
  
      def __repr__(self):
          if self.f is None:
              return "<Solution '%s' at 0x%x>" % (self.status, id(self))
          return "<Solution %.2f at 0x%x>" % (self.f, id(self))
  
new_contents: class Solution(object):
      """Stores the solution from optimizing a cobra.Model. This is
      used to provide a single interface to results from different
      solvers that store their values in different ways.
  
      f: The objective value
  
      solver: A string indicating which solver package was used.
  
      x: List or Array of the values from the primal.
  
      x_dict: A dictionary of reaction ids that maps to the primal values.
  
      y: List or Array of the values from the dual.
  
      y_dict: A dictionary of reaction ids that maps to the dual values.
  
      """
  
      def __init__(self, f, x=None,
                   x_dict=None, y=None, y_dict=None,
                   solver=None, the_time=0, status='NA'):
          self.solver = solver
          self.f = f
          self.x = x
          self.x_dict = x_dict
          self.status = status
          self.y = y
          self.y_dict = y_dict
  
      def dress_results(self, model):
          """.. warning :: deprecated"""
          from warnings import warn
          warn("unnecessary to call this deprecated function")
  
      def __repr__(self):
          if self.f is None:
              return "<Solution '%s' at 0x%x>" % (self.status, id(self))
          return "<Solution %.2f at 0x%x>" % (self.f, id(self))
  
subject: Update Solution.py