1 files changed, 7 insertions, 0 deletions

diff --git a/lib/pythonSet.nix b/lib/pythonSet.nix
index c69216cc..98315718 100644
--- a/lib/pythonSet.nix
+++ b/lib/pythonSet.nix
@@ -37,6 +37,13 @@
             (final.resolveBuildSystem { setuptools = []; })
           ];
         });
+        pyyaml = (prev.pyyaml.override {
+          sourcePreference = "sdist";
+        }).overrideAttrs (oldAttrs: {
+          nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [
+            (final.resolveBuildSystem { setuptools = []; })
+          ];
+        });
       })
     ]
   )