diff --git a/lakers-python/src/initiator.rs b/lakers-python/src/initiator.rs
index c158aaca..9a2899a2 100644
--- a/lakers-python/src/initiator.rs
+++ b/lakers-python/src/initiator.rs
@@ -160,7 +160,11 @@ impl PyEdhocInitiator {
     ) -> PyResult<Option<EADItem>> {
         let message_4 = EdhocMessageBuffer::new_from_slice(message_4.as_slice())?;
 
-        match i_process_message_4(&mut self.wait_m4.take().ok_or(StateMismatch)?, &mut default_crypto(), &message_4) {
+        match i_process_message_4(
+            &mut self.wait_m4.take().ok_or(StateMismatch)?,
+            &mut default_crypto(),
+            &message_4,
+        ) {
             Ok((state, ead_4)) => {
                 self.completed = Some(state);
                 Ok(ead_4)
diff --git a/lakers-python/src/responder.rs b/lakers-python/src/responder.rs
index c861138c..bb218bd1 100644
--- a/lakers-python/src/responder.rs
+++ b/lakers-python/src/responder.rs
@@ -140,7 +140,11 @@ impl PyEdhocResponder {
         py: Python<'a>,
         ead_4: Option<EADItem>,
     ) -> PyResult<Bound<'a, PyBytes>> {
-        match r_prepare_message_4(&self.processed_m3.take().ok_or(StateMismatch)?, &mut default_crypto(), &ead_4) {
+        match r_prepare_message_4(
+            &self.processed_m3.take().ok_or(StateMismatch)?,
+            &mut default_crypto(),
+            &ead_4,
+        ) {
             Ok((state, message_4)) => {
                 self.completed = Some(state);
                 Ok(PyBytes::new_bound(py, message_4.as_slice()))