it is annoying to see this function high in fstail profiles taking up to 10%

name       old time/op    new time/op    delta
PyQuote-4    1.33µs ± 1%    0.98µs ± 0%  -26.77%  (p=0.008 n=5+5)

name       old alloc/op   new alloc/op   delta
PyQuote-4     0.00B          0.00B          ~     (all equal)

name       old allocs/op  new allocs/op  delta
PyQuote-4      0.00           0.00          ~     (all equal)