old_contents: __version__ = '0.0.3'
  
  
  class VasPy(object):
      def __init__(self, filename):
          "Base class to be inherited by all classes in VASPy."
          self.filename = filename
  
  
  class CarfileValueError(Exception):
      "Exception raised for errors in the CONTCAR-like file."
      pass
  
  
  class UnmatchedDataShape(Exception):
      "Exception raised for errors in unmatched data shape."
      pass
  
new_contents: __version__ = '0.1.0'  # add electro module
  
  
  class VasPy(object):
      def __init__(self, filename):
          "Base class to be inherited by all classes in VASPy."
          self.filename = filename
  
  
  class CarfileValueError(Exception):
      "Exception raised for errors in the CONTCAR-like file."
      pass
  
  
  class UnmatchedDataShape(Exception):
      "Exception raised for errors in unmatched data shape."
      pass
  
subject: modify version number