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add image num check

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Former-commit-id: ce8c5a264742161101da2094d0fc31c7fa7fb641
This commit is contained in:
hiyouga 2024-09-02 01:31:36 +08:00
parent 549adc888b
commit 859823eb23
1 changed files with 5 additions and 0 deletions
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5
src/llamafactory/data/mm_plugin.py
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@ -210,12 +210,17 @@ class Qwen2vlPlugin(BasePlugin):
merge_length: int = getattr(image_processor, "merge_size") ** 2
if len(images) > 0:
image_grid_thw = _get_mm_inputs(images, processor)["image_grid_thw"]
else:
image_grid_thw = []
num_images = 0
messages = deepcopy(messages)
for message in messages:
content = message["content"]
while IMAGE_PLACEHOLDER in content:
if num_images >= len(image_grid_thw):
raise ValueError("`len(images)` is less than the number of {} tokens.".format(IMAGE_PLACEHOLDER))
content = content.replace(
IMAGE_PLACEHOLDER,
"<|vision_start|>{}<|vision_end|>".format(