#15272: Bruhat posets and Bruhat graphs for parabolic subgroups of finite Weyl
groups
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Reporter: vittucek | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: | Merged in:
Authors: Vít Tuček | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/vittucek/ticket/15272 | 64ea7c8216c4d0eb5cc39a648a629d4dd79ad5b7
Dependencies: | Stopgaps:
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Comment (by vittucek):
Replying to [comment:9 darij]:
> Oh, and also the conflict was because some other patch replaced
`ref.has_key(...)` by `... in ref`. Maybe do the same in your code? (I
don't know what the difference is; it just sounds like a logical thing to
do.)
Ehm. I have done this change too hastily. As it turns out `ref` is not a
dictionary but a `FiniteFamily` which means that its `__contains__` method
looks at the values. It's `__contains__` method was changed #15784 to use
`in` in favor of `has_key`.
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Ticket URL: <http://trac.sagemath.org/ticket/15272#comment:14>
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