hostfxr.py - Sanity check on shutdown that both _handle and _dll are still present

Author: greateggsgreg

clr_loader/hostfxr.py

@@ -127,7 +127,7 @@ def _get_callable(self, assembly_path: StrOrPath, typename: str, function: str):
         return ffi.cast("component_entry_point_fn", delegate_ptr[0])
 
     def shutdown(self) -> None:
-        if self._handle is not None:
+        if self._handle and self._dll:
             self._dll.hostfxr_close(self._handle)
             self._handle = None