not applicable in python ed

book.tex

@@ -11896,7 +11896,6 @@ movq |$8(n+1)$|(%r11), |$\itm{lhs'}$|
 |$\Longrightarrow$|
 movq |$\itm{tup}'$|, %r11
 movq |$\itm{rhs}'$|, |$8(n+1)$|(%r11)
-movq $0, |$\itm{lhs'}$|
 \end{lstlisting}
 \fi}
 \end{minipage}