histedit: use context manager for locks

Authored by martinvonz.

Description

histedit: use context manager for locks

Differential Revision: https://phab.mercurial-scm.org/D5542

Details

Committed
martinvonzJan 9 2019, 6:34 PM
Differential Revision
D5542: histedit: use context manager for locks
Parents
rHGa3a24ad10efb: histedit: drop unused constructor arguments (API)
Branches
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Tags
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