diff --git a/flake.nix b/flake.nix
index 4febca24..7bd28c70 100644
--- a/flake.nix
+++ b/flake.nix
@@ -161,7 +161,9 @@
           clippy
           pre-commit
           rustfmt
+          rust-analyzer
         ];
+        RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";
       };
       devShells.x86_64-linux.msys2 = pkgs.mkShell {
         name = "nac3-dev-shell-msys2";
diff --git a/nac3standalone/demo/src/inheritance.py b/nac3standalone/demo/src/inheritance.py
index d280e3a5..9a9740a4 100644
--- a/nac3standalone/demo/src/inheritance.py
+++ b/nac3standalone/demo/src/inheritance.py
@@ -23,10 +23,33 @@ class B(A):
         self.a = b + 1
         self.b = b
 
+class C:
+    a: int32
+    def __init__(self):
+        self.a = 42
+
+    def test2(self):
+        self.a = 23
+class D(C):
+    def __init__(self):
+        C.test2(self)
+        # self.test()
+        # C.test2(self)
+        # self.a = 2
+        # __main__.C.__init__(self)
+    
+    def test(self):
+        self.a = 2
+        
+
 
 def run() -> int32:
-    aaa = A(5)
-    bbb = B(2)
-    aaa.f1()
-    bbb.f1()
+    x = D()
+    x.__init__()
+    output_int32(x.a)
+
+    # aaa = A(5)
+    # bbb = B(2)
+    # aaa.f1()
+    # bbb.f1()
     return 0
diff --git a/pyo3_output/nac3artiq.so b/pyo3_output/nac3artiq.so
new file mode 100755
index 00000000..beb4f236
Binary files /dev/null and b/pyo3_output/nac3artiq.so differ