fix: remove buildInput dependency on poetry

mk-poetry-dep.nix

@@ -129,7 +129,6 @@ pythonPackages.callPackage
         ++ lib.optional (stdenv.buildPlatform != stdenv.hostPlatform) pythonPackages.setuptools
         ++ lib.optional (!isSource) (getManyLinuxDeps fileInfo.name).pkg
         ++ lib.optional isDirectory buildSystemPkgs
-        ++ lib.optional (!__isBootstrap) pythonPackages.poetry
       );
 
       propagatedBuildInputs =

overrides.nix

@@ -2103,6 +2103,7 @@ self: super:
   );
 
   pendulum = super.pendulum.overridePythonAttrs (old: {
+    buildInputs = (old.buildInputs or []) ++ [ self.poetry ];
     # Technically incorrect, but fixes the build error..
     preInstall = lib.optionalString stdenv.isLinux ''
       mv --no-clobber ./dist/*.whl $(echo ./dist/*.whl | sed s/'manylinux_[0-9]*_[0-9]*'/'manylinux1'/)