vhdl: fix physical type test
@@ -214,7 +214,7 @@ impl<'t> PhysicalSubtype<'t> {
/// # Example
///
/// ```
- /// use moore_vhdl::ty2::{Type, TypeMark, PhysicalBasetype, PhysicalSubtype, Range};
+ /// use moore_vhdl::ty2::{Type, TypeMark, PhysicalUnit, PhysicalBasetype, PhysicalSubtype, Range};
/// use moore_vhdl::common::name::get_name_table;
///
/// let ty = PhysicalBasetype::new(Range::ascending(-1000isize, 1000isize), vec![
