# Input
{k: v for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension}

# black
{
    k: v
    for k, v in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension
}

# Ruff
{
    k: v
    for (
		k, 
		v
	) 
	in this_is_a_very_long_variable_which_will_cause_a_trailing_comma_which_breaks_the_comprehension
}