[mypy] fix: fix mypy error in singly_linked_list.py (#5517)
The list comprehension shortcut was implicitly expecting a return value causing a mypy error since `insert_tail` doesn't return a value
S
Sherman Hui committed
9153db2d275086bb951b696b3a4628c76a14ac90
Parent: fdf095f
Committed by GitHub <noreply@github.com>
on 10/22/2021, 3:39:18 AM