tch 0.7.2 update (#256)

* Fixed Clippy warnings

* Revert "Shallow clone optimization (#243)"

This reverts commit ba58465.

* - Updated `tch` backed version

* reverted spurious xlnet changes

Cargo.toml

@@ -64,7 +64,7 @@ features = ["doc-only"]
 
 [dependencies]
 rust_tokenizers = "~7.0.2"
-tch = "~0.7.0"
+tch = "~0.7.2"
 serde_json = "1.0.79"
 serde = { version = "1.0.136", features = ["derive"] }
 ordered-float = "2.10.0"
@@ -81,6 +81,6 @@ anyhow = "1.0.56"
 csv = "1.1.6"
 criterion = "0.3.5"
 tokio = { version = "1.17.0", features = ["sync", "rt-multi-thread", "macros"] }
-torch-sys =  "~0.7.0"
+torch-sys =  "~0.7.2"
 tempfile = "3.3.0"
 itertools = "0.10.3"