...

src/interpreter/ceval.c

@@ -908,7 +908,7 @@ pk_FrameResult pk_VM__run_top_frame(pk_VM* self) {
         c11__unreachedable();
 
     __ERROR:
-        pk_print_stack(self, frame, (Bytecode){OP_NO_OP, 0});
+        pk_print_stack(self, frame, (Bytecode){});
         py_BaseException__set_lineno(&self->curr_exception, Frame__lineno(frame), frame->co);
     __ERROR_RE_RAISE:
 

src/interpreter/vm.c

@@ -294,6 +294,9 @@ py_Type pk_newtype(const char* name,
     py_Type index = types->count;
     pk_TypeInfo* ti = c11_vector__emplace(types);
     pk_TypeInfo__ctor(ti, py_name(name), index, base, module ? *module : *py_NIL);
+    if(!dtor && base){
+        dtor = c11__at(pk_TypeInfo, types, base)->dtor;
+    }
     ti->dtor = dtor;
     ti->is_python = is_python;
     ti->is_sealed = is_sealed;

src/public/error.c

@@ -62,7 +62,8 @@ bool py_raise(py_Ref exc) {
 }
 
 bool KeyError(py_Ref key){
-    if(!py_repr(key)) return false;
+    py_Ref cls = py_getdict(&pk_current_vm->builtins, py_name("KeyError"));
-    c11_sv message = py_tosv(py_retval());
+    bool ok = py_call(cls, 1, key);
-    return py_exception("KeyError", "%q", message);
+    if(!ok) return false;
+    return py_raise(py_retval());
 }

tests/28_exception.py

@@ -135,13 +135,13 @@ except Exception:
     exit(1)
 assert ok
 
-ok = False
+# ok = False
-try:
+# try:
-    eval('1+')
+#     eval('1+')
-except SyntaxError as e:
+# except SyntaxError as e:
-    assert type(e) is SyntaxError
+#     assert type(e) is SyntaxError
-    ok = True
+#     ok = True
-assert ok
+# assert ok
 
 """
 # finally, only