diff -r 074c72a38423 -r d43719bd01f0 rust/hg-cpython/src/lib.rs
--- a/rust/hg-cpython/src/lib.rs	Mon Jan 07 19:03:23 2019 -0500
+++ b/rust/hg-cpython/src/lib.rs	Sun Jan 06 11:29:44 2019 +0900
@@ -35,7 +35,6 @@
     )?;
 
     let dotted_name: String = m.get(py, "__name__")?.extract(py)?;
-    m.add(py, "__package__", "mercurial")?;
     m.add(py, "ancestor", ancestors::init_module(py, &dotted_name)?)?;
     m.add(py, "GraphError", py.get_type::<exceptions::GraphError>())?;
     Ok(())