--- a/tests/test-check-pyflakes.t	Fri Nov 18 18:18:15 2016 +0100
+++ b/tests/test-check-pyflakes.t	Thu Dec 22 11:07:59 2016 -0800
@@ -6,7 +6,7 @@
 run pyflakes on all tracked files ending in .py or without a file ending
 (skipping binary file random-seed)
 
-  $ hg locate 'set:**.py or grep("^#!.*python")' \
+  $ hg locate 'set:**.py or grep("^#!.*python")' -X hgext/fsmonitor/pywatchman \
   > -X mercurial/pycompat.py \
   > 2>/dev/null \
   > | xargs pyflakes 2>/dev/null | "$TESTDIR/filterpyflakes.py"