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fix(load): wire MTP sanitize-preservation patch into VLM inference path #1320

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Merged
jundot merged 1 commit into from
May 21, 2026
Merged

fix(load): wire MTP sanitize-preservation patch into VLM inference path #1320

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12 changes: 12 additions & 0 deletions omlx/utils/model_loading.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,11 +158,23 @@ def maybe_apply_pre_load_patches(
if mtp_enabled:
try:
from ..patches.mlx_vlm_mtp import (
apply_mlx_vlm_mtp_patch,
apply_mlx_vlm_mtp_runtime_patch,
)
except Exception:
pass
else:
# Sanitize-preservation patch MUST run too: the stock
# mlx-vlm Model.sanitize strips every ``mtp.*`` key, so
# without this the MTPModule loads at random init (0%
# accept). Previously only wired into the oQ path; needed
# on the inference load path as well for VLM checkpoints
# that ship MTP heads (e.g. PARO + injected guru87 head).
if apply_mlx_vlm_mtp_patch():
logger.info(
"mlx-vlm MTP sanitize patch applied for %s",
model_name,
)
if apply_mlx_vlm_mtp_runtime_patch():
logger.info(
"mlx-vlm runtime MTP patch applied for %s",
Expand Down