fix small bug in unit tests which caused spurious failures on Windows

diff --git a/src/allmydata/test/test_web.py b/src/allmydata/test/test_web.py
index 5eedb7967a62a263cefcdcd3a3ea4cf3e3bbd376..b1edc1e1cdbe494a0e0df2a0cde62f43b19c36bc 100644 (file)
--- a/src/allmydata/test/test_web.py
+++ b/src/allmydata/test/test_web.py
@@ -817,7 +817,7 @@ class Web(WebMixin, unittest.TestCase):
 
     def touch(self, localdir, filename):
         path = os.path.join(localdir, filename)
-        f = open(path, "w")
+        f = open(path, "wb")
         f.write("contents of %s\n" % filename)
         f.close()