diff -r 57875cf423c9 -r 2372284d9457 tests/test-minifileset.py
--- a/tests/test-minifileset.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/tests/test-minifileset.py	Sun Oct 06 09:45:02 2019 -0400
@@ -3,6 +3,7 @@
 
 from mercurial import minifileset
 
+
 def check(text, truecases, falsecases):
     f = minifileset.compile(text)
     for args in truecases:
@@ -12,24 +13,31 @@
         if f(*args):
             print('unexpected: %r should exclude %r' % (text, args))
 
+
 check(b'all()', [(b'a.php', 123), (b'b.txt', 0)], [])
 check(b'none()', [], [(b'a.php', 123), (b'b.txt', 0)])
 check(b'!!!!((!(!!all())))', [], [(b'a.php', 123), (b'b.txt', 0)])
 
-check(b'"path:a" & (**.b | **.c)',
-      [(b'a/b.b', 0), (b'a/c.c', 0)], [(b'b/c.c', 0)])
-check(b'(path:a & **.b) | **.c',
-      [(b'a/b.b', 0), (b'a/c.c', 0), (b'b/c.c', 0)], [])
+check(
+    b'"path:a" & (**.b | **.c)', [(b'a/b.b', 0), (b'a/c.c', 0)], [(b'b/c.c', 0)]
+)
+check(
+    b'(path:a & **.b) | **.c', [(b'a/b.b', 0), (b'a/c.c', 0), (b'b/c.c', 0)], []
+)
 
-check(b'**.bin - size("<20B")',
-      [(b'b.bin', 21)], [(b'a.bin', 11), (b'b.txt', 21)])
+check(
+    b'**.bin - size("<20B")', [(b'b.bin', 21)], [(b'a.bin', 11), (b'b.txt', 21)]
+)
 
-check(b'!!**.bin or size(">20B") + "path:bin" or !size(">10")',
-      [(b'a.bin', 11), (b'b.txt', 21), (b'bin/abc', 11)],
-      [(b'a.notbin', 11), (b'b.txt', 11), (b'bin2/abc', 11)])
+check(
+    b'!!**.bin or size(">20B") + "path:bin" or !size(">10")',
+    [(b'a.bin', 11), (b'b.txt', 21), (b'bin/abc', 11)],
+    [(b'a.notbin', 11), (b'b.txt', 11), (b'bin2/abc', 11)],
+)
 
 check(
     b'(**.php and size(">10KB")) | **.zip | ("path:bin" & !"path:bin/README") '
     b' | size(">1M")',
     [(b'a.php', 15000), (b'a.zip', 0), (b'bin/a', 0), (b'bin/README', 1e7)],
-    [(b'a.php', 5000), (b'b.zip2', 0), (b't/bin/a', 0), (b'bin/README', 1)])
+    [(b'a.php', 5000), (b'b.zip2', 0), (b't/bin/a', 0), (b'bin/README', 1)],
+)