Added the Nanochat submodule to the excluded list for ty checks.

Author: baochunli

pyproject.toml

@@ -118,6 +118,7 @@ dev = [
 # Remove `build` from the excluded directories.
 exclude = [
     "examples/outdated",
+    "external/nanochat",
     "examples/model_search/pfedrlnas/VIT/nasvit_wrapper", 
     "examples/model_search/pfedrlnas/DARTS/Darts",
     "examples/model_search/pfedrlnas/MobileNetV3/model",