lock1: Guard against non-existing version field

Uv (annoyingly) just changed this behaviour: astral-sh/uv#10622

lib/build.nix

@@ -167,8 +167,7 @@ in
     stdenv.mkDerivation (
       attrs
       // {
-        # Take potentially dynamic fields from uv.lock package
-        inherit (package) version;
+        version = "0.0.0";
 
         buildInputs =
           (attrs.buildInputs or [ ])
@@ -184,6 +183,10 @@ in
           dependency-groups = mapAttrs (_: mkSpec) package.dev-dependencies;
         };
       }
+      // optionalAttrs (package ? version) {
+        # Take potentially dynamic fields from uv.lock package
+        inherit (package) version;
+      }
     );
 
   /*
@@ -357,7 +360,8 @@ in
     stdenv.mkDerivation (
       {
         pname = package.name;
-        inherit (package) version;
+        version = "0.0.0";
+
         inherit src;
 
         passthru = {
@@ -373,6 +377,10 @@ in
           ++ optional (format == "wheel") pyprojectWheelHook
           ++ optional (format == "wheel" && stdenv.isLinux) autoPatchelfHook;
       }
+      // optionalAttrs (package ? version) {
+        # Take potentially dynamic fields from uv.lock package
+        inherit (package) version;
+      }
       // optionalAttrs (format == "wheel") {
         # Don't strip prebuilt wheels
         dontStrip = true;