forbidden: use PyPI DSL

Signed-off-by: botantony <[email protected]>

Author: botantony

Formula/f/forbidden.rb

@@ -26,6 +26,8 @@ class Forbidden < Formula
   depends_on "pycparser" => :no_linkage
   depends_on "[email protected]"
 
+  pypi_packages exclude_packages: %w[certifi cffi cryptography pycparser]
+
   resource "about-time" do
     url "https://files.pythonhosted.org/packages/1c/3f/ccb16bdc53ebb81c1bf837c1ee4b5b0b69584fd2e4a802a2a79936691c0a/about-time-4.2.1.tar.gz"
     sha256 "6a538862d33ce67d997429d14998310e1dbfda6cb7d9bbfbf799c4709847fece"