code: def CloseCHM(self):
          '''Closes the CHM archive.
          This function will close the CHM file, if it is open. All variables
          are also reset.
          '''
          if self.filename is not None:
              chmlib.chm_close(self.file)
              self.file = None
              self.filename = ''
              self.title = ""
              self.home = "/"
              self.index = None
              self.topics = None
              self.encoding = Nonf CloseCHM(self):
          '''Closes the CHM archive.
          This function will close the CHM file, if it is open. All variables
          are also reset.
          '''
          if self.filename is not None:
              chmlib.chm_close(self.file)
              self.file = None
              self.filename = ''
              self.title = ""
              self.home = "/"
              self.index = None
              self.topics = None
              self.encoding = None
docs: Closes the CHM archive.
          This function will close the CHM file, if it is open. All variables
          are also reset.