Arguments to builtin.compile() can be named

fixes #2390

vm/src/builtins/make_module.rs

@@ -103,11 +103,11 @@ mod decl {
     #[derive(FromArgs)]
     #[allow(dead_code)]
     struct CompileArgs {
-        #[pyarg(positional)]
+        #[pyarg(any)]
         source: Either<PyStrRef, PyBytesRef>,
-        #[pyarg(positional)]
+        #[pyarg(any)]
         filename: PyStrRef,
-        #[pyarg(positional)]
+        #[pyarg(any)]
         mode: PyStrRef,
         #[pyarg(any, optional)]
         flags: OptionalArg<PyIntRef>,