setup: make sure we use the imported module
This prevent pyflakes to complains about it (and work around any possible demand
import magic.
I'm not sure why we do this important dance at all, but I'm leaving it there in
doubt.
--- a/setup.py Mon Mar 21 21:38:56 2016 -0700
+++ b/setup.py Mon Mar 28 00:50:36 2016 -0700
@@ -3,6 +3,7 @@
requires = []
try:
import mercurial
+ mercurial.__all__
except ImportError:
requires.append('mercurial')