parameters: (self)
docstring: Close the current file and forget everything we know about it
             (filename, current line number).
docstring_summary: Close the current file and forget everything we know about it
             (filename, current line number).
docstring_tokens: Close the current file and forget everything we know about it ( filename current line number ) .
function: def close(self):
          """Close the current file and forget everything we know about it
             (filename, current line number)."""
          file = self.file
          self.file = None
          self.filename = None
          self.current_line = None
          file.close()
function_tokens: def close ( self ) : file = self . file self . file = None self . filename = None self . current_line = None file . close ( )