make_glm_oracle.py wrote glm_tiny/model.safetensors and glm_tiny/config.json
without creating the directory first. safetensors.save_file writes a temp file
inside the target dir before the atomic rename, so on a clean checkout (no
pre-existing glm_tiny/) it aborts with an opaque error:
SafetensorError: Error while serializing: I/O error:
The system cannot find the path specified. (os error 3)
at path ".../glm_tiny/.tmpXXXXXX"
The directory only ever existed because it was left over from a previous run,
so the first-ever `python tools/make_glm_oracle.py` fails for every new user
following the README's verify step.
Create glm_tiny/ with Path.mkdir(parents=True, exist_ok=True) before the save
branch — covers the fp8 path, the bf16 path, and config.json. Path is already
imported; no new dependency, no change to the CPU build.
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