hghave: remove unused "as ex" in exception block
I overlooked this when removing a debug print in another change.
Differential Revision: https://phab.mercurial-scm.org/D2637
--- a/tests/hghave.py Sat Mar 03 18:33:10 2018 -0500
+++ b/tests/hghave.py Sun Mar 04 10:23:07 2018 -0500
@@ -715,5 +715,5 @@
from mercurial import policy
bdiff = policy.importmod('bdiff')
return bdiff.xdiffblocks('', '') == [(0, 0, 0, 0)]
- except (ImportError, AttributeError) as ex:
+ except (ImportError, AttributeError):
return False