revert to initialize vtable always

Author: jairov4

mypyc/codegen/emitclass.py

@@ -563,15 +563,14 @@ def generate_setup_for_class(
     emitter.emit_line("if (self == NULL)")
     emitter.emit_line("    return NULL;")
 
-    if not cl.is_final_class:
-        if shadow_vtable_name:
-            emitter.emit_line(f"if (type != {emitter.type_struct_name(cl)}) {{")
-            emitter.emit_line(f"self->vtable = {shadow_vtable_name};")
-            emitter.emit_line("} else {")
-            emitter.emit_line(f"self->vtable = {vtable_name};")
-            emitter.emit_line("}")
-        else:
-            emitter.emit_line(f"self->vtable = {vtable_name};")
+    if shadow_vtable_name:
+        emitter.emit_line(f"if (type != {emitter.type_struct_name(cl)}) {{")
+        emitter.emit_line(f"self->vtable = {shadow_vtable_name};")
+        emitter.emit_line("} else {")
+        emitter.emit_line(f"self->vtable = {vtable_name};")
+        emitter.emit_line("}")
+    else:
+        emitter.emit_line(f"self->vtable = {vtable_name};")
 
     for i in range(0, len(cl.bitmap_attrs), BITMAP_BITS):
         field = emitter.bitmap_field(i)