diff --git a/pkgs/development/python-modules/cymruwhois/default.nix b/pkgs/development/python-modules/cymruwhois/default.nix
index 070dc04cb0d4..5bca7d20f923 100644
--- a/pkgs/development/python-modules/cymruwhois/default.nix
+++ b/pkgs/development/python-modules/cymruwhois/default.nix
@@ -33,12 +33,15 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "cymruwhois" ];
 
   disabledTests = [
-    # Tests require network access
-    "test_asn"
     # AssertionError
     "test_doctest"
   ];
 
+  disabledTestPaths = [
+    # £Failed: 'yield' keyword is allowed in fixtures, but not in tests (test_common)
+    "tests/test_common_lookups.py"
+  ];
+
   meta = {
     description = "Python client for the whois.cymru.com service";
     homepage = "https://github.com/JustinAzoff/python-cymruwhois";