Removed unnecessary type conversions in 'parts'.
Removed unnecessary type conversions in 'parts'.

daviddeng/azrael,daviddeng/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael