Fixes byteorder check and removes unrequested exclusion tests

Updates the byteorder check in the conversion script to be more robust.

Removes the "tests" directory from the pyright exclude list.

Author: robbiemu

examples/convert_legacy_llama.py

@@ -1308,7 +1308,7 @@ def do_dump_model(model_plus: ModelPlus) -> None:
 
 def main(args_in: list[str] | None = None) -> None:
     output_choices = ["f32", "f16"]
-    if np.uint32(1) == np.uint32(1).newbyteorder("<"):
+    if np.uint32(1) == np.uint32(1).view(np.dtype(np.uint32).newbyteorder("<")):
         # We currently only support Q8_0 output on little endian systems.
         output_choices.append("q8_0")
     parser = argparse.ArgumentParser(description="Convert a LLaMA model to a GGML compatible file")

pyrightconfig.json

@@ -22,6 +22,5 @@
   ],
   "exclude": [
     "tools/mtmd/legacy-models",
-    "tests"
   ]
  }