Pytorch message updates (#1344)

* Update pytorch-model.md

* Update error.rs

burn-book/src/import/pytorch-model.md

@@ -230,7 +230,8 @@ Which produces the following weights structure (viewed in
 
 You can use the `PyTorchFileRecorder` to change the attribute names and the order of the attributes
 by specifying a regular expression (See
-[regex::Regex::replace](https://docs.rs/regex/latest/regex/struct.Regex.html#method.replace)) to
+[regex::Regex::replace](https://docs.rs/regex/latest/regex/struct.Regex.html#method.replace) and
+[try it online](https://rregex.dev/?version=1.10&method=replace)) to
 match the attribute name and a replacement string in `LoadArgs`:
 
 ```rust

crates/burn-core/src/record/serde/error.rs

@@ -4,7 +4,7 @@ use crate::record::RecorderError;
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
     /// Failed to deserialize.
-    #[error("failed to deserialize")]
+    #[error("failed to deserialize: {0}")]
     Deserialize(#[from] serde::de::value::Error),
 
     /// Failed to serialize.