--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-check-pyflakes.t	Mon Mar 21 21:39:14 2016 -0700
@@ -0,0 +1,12 @@
+#require test-repo pyflakes
+
+Copied from Mercurial core (60ee2593a270)
+
+  $ cd "`dirname "$TESTDIR"`"
+
+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")' 2>/dev/null \
+  > | xargs pyflakes 2>/dev/null  
+