diff --git a/src/executors/mod.rs b/src/executors/mod.rs
index 8320e9f4f..50da0f896 100644
--- a/src/executors/mod.rs
+++ b/src/executors/mod.rs
@@ -28,6 +28,7 @@ where
     let kwargs = function.kwargs.as_ref(py);
 
     let function_args = function_args.to_object(py);
+    debug!("Function args: {:?}", function_args);
 
     match function.number_of_params {
         0 => handler.call0(),
@@ -84,6 +85,7 @@ where
     } else {
         Python::with_gil(|py| -> Result<MiddlewareReturn> {
             let output = get_function_output(function, py, input)?;
+            debug!("Middleware output: {:?}", output);
             match output.extract::<Response>() {
                 Ok(o) => Ok(MiddlewareReturn::Response(o)),
                 Err(_) => Ok(MiddlewareReturn::Request(output.extract::<Request>()?)),
diff --git a/src/types/mod.rs b/src/types/mod.rs
index 0af7a6b00..062e63a51 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -1,3 +1,4 @@
+use log::debug;
 use pyo3::{
     exceptions::PyValueError,
     prelude::*,
@@ -78,9 +79,8 @@ pub fn get_body_from_pyobject(body: &PyAny) -> PyResult<Vec<u8>> {
     } else if let Ok(b) = body.downcast::<PyBytes>() {
         Ok(b.as_bytes().to_vec())
     } else {
-        Err(PyValueError::new_err(
-            "Could not convert specified body to bytes",
-        ))
+        debug!("Could not convert specified body to bytes");
+        Ok(vec![])
     }
 }
 
@@ -90,9 +90,8 @@ pub fn get_description_from_pyobject(description: &PyAny) -> PyResult<Vec<u8>> {
     } else if let Ok(b) = description.downcast::<PyBytes>() {
         Ok(b.as_bytes().to_vec())
     } else {
-        Err(PyValueError::new_err(
-            "Could not convert specified description to bytes",
-        ))
+        debug!("Could not convert specified response description to bytes");
+        Ok(vec![])
     }
 }