diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bb18e5a8c27..b3844ccfb8e 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -26588,6 +26588,8 @@ in modules // {
     };
     propagatedBuildInputs = with self; [ twisted requests2 cryptography ];
 
+    # Require network access
+    doCheck = false;
     checkPhase = ''
       ${python.interpreter} -m unittest discover
     '';