#NEWLINE# @ jit . elidable #NEWLINE# def _lookup( self , sym , version ) : #NEWLINE# #INDENT# try : #NEWLINE# #INDENT# return self . bindings [ version ] #NEWLINE# #UNINDENT# except KeyError : #NEWLINE# #INDENT# raise SchemeException ( ( 'toplevel variable %s not found' % sym . variable_name ( ) ) )