Fix ./mach upload-nightly macbrew

python/servo/servo-binary-formula.rb.in

@@ -0,0 +1,21 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+class ServoBin < Formula
+  desc "Servo, the Parallel Browser Engine Project (binary version)"
+  homepage "http://servo.org"
+  url "PACKAGEURL"
+  version "VERSION"
+  sha256 "SHA"
+
+  bottle :unneeded
+
+  def install
+    prefix.install "bin", "libexec", "resources"
+  end
+
+  test do
+    system bin/"servo", "-o", "/dev/null", "-x", "http://example.com"
+  end
+end