Fix CI

assets/script.py

@@ -1,4 +1,5 @@
 # Used in PyModule examples.
 
+
 class Blah:
-    pass
+    pass

guide/src/migration.md

@@ -776,6 +776,7 @@ impl PySequenceProtocol for ByteSequence {
 
 After:
 ```rust
+# #[allow(deprecated)]
 # #[cfg(feature = "pyproto")]
 # {
 # use pyo3::prelude::*;