webcommands: unpack contents of length-1 dict portably
((k,v),) = dict.items() was suggested by some friends, but I feel like
that's maybe too clever?
Differential Revision: https://phab.mercurial-scm.org/D2304
--- a/mercurial/hgweb/webcommands.py Sat Feb 17 22:37:35 2018 -0500
+++ b/mercurial/hgweb/webcommands.py Sat Feb 17 22:38:25 2018 -0500
@@ -542,7 +542,7 @@
emptydirs = []
h = dirs[d]
while isinstance(h, dict) and len(h) == 1:
- k, v = h.items()[0]
+ k, v = next(iter(h.items()))
if v:
emptydirs.append(k)
h = v