Variables on LHS of in-place slice operations are ignored
Bug #1108904 reported by
bistromathic
This bug affects 2 people
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Pyflakes |
Fix Released
|
High
|
Unassigned | ||
Bug Description
Pyflakes complains that 'a' is unused, and doesn't spot that 'b' and 'c' are undefined, in the following code:
def f(seq):
a = 0
seq[a] += 1
seq[b] /= 2
c[0] *= 2
It seems to work correctly with assignments to slices, and in-place operations that don't involve slices.
Related branches
lp:~pyflakes-dev/pyflakes/1108904-augmented-assignment
- Pyflakes Dev: Pending requested
-
Diff: 41 lines (+19/-1)2 files modifiedpyflakes/checker.py (+1/-1)
pyflakes/test/test_undefined_names.py (+18/-0)
Revision history for this message
| Florent (florent.x) wrote | #1 |
| Changed in pyflakes: | |
| importance: | Undecided → High |
| status: | New → Confirmed |
Revision history for this message
| Florent (florent.x) wrote | #2 |
| Changed in pyflakes: | |
| status: | Confirmed → Fix Released |
| Changed in pyflakes: | |
| milestone: | none → 0.6.1 |
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This is confirmed as a regression of pyflakes 0.6.