E741: Inconsistent behavior for lambdas

[knkski]

It seems like E741 shouldn't apply to variable names inside of comprehensions, due to the limited scope of such variables. If that's the desired behavior anyways, this behavior seems inconsistent to me:

# flagged as lint
foo = [l for l in lines if l]

# not flagged as lint
foo = list(filter(lambda l: l, lines))

[asottile]

I believe it's just a mistake that this isn't handled for lambdas

the rule is correct for the list comprehension due to the ability to confuse:

foo = [l for l in lines if l]
foo = [1 for l in lines if 1]

[pktiuk]

I have this issue, but in my case it is clearly inconsistent:

COMP_OPERATIONS = {
    "==": lambda l, r: l == r,   # This is falgged
    ">=": lambda l, r: l >= r,   # This is falgged
    "<=": lambda l, r: l <= r,   # This is falgged
    ">": lambda l, r: l > r,  # This is not flagged
    "<": lambda l, r: l < r,  # This is not flagged
}

[asottile]

@pktiuk yeah it's not enabled for lambdas at all at the moment -- it's detecting l >= r as an assignment (?)