diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4817666884b..0873134e966 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3843,8 +3843,8 @@ in modules // {
       sha256 = "7959b4a74abdc27b312fed1c21e6caf9309ce0b29ea86b591fd2e99ecdf27f73";
     };
 
-    # Unsupported
-    disabled = isPy35;
+    # 3.5 is not supported but has been working fine
+    doCheck = !isPy35;
 
     meta = {
       description = "C parser in Python";