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Add proper jinja2 error #35533

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Add proper jinja2 error #35533

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f65e59c
Cleanup jinja2 imports
Rocketknight1 Jan 6, 2025
b59f023
Raise a proper error if Jinja is missing
Rocketknight1 Jan 6, 2025
cc70a02
make fixup
Rocketknight1 Jan 6, 2025
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5 changes: 5 additions & 0 deletions src/transformers/utils/chat_template_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -362,6 +362,11 @@ def _render_with_assistant_indices(

@lru_cache
def _compile_jinja_template(chat_template):
if not is_jinja_available():
raise ImportError(
"apply_chat_template requires jinja2 to be installed. Please install it using `pip install jinja2`."
)

class AssistantTracker(Extension):
# This extension is used to track the indices of assistant-generated tokens in the rendered chat
tags = {"generation"}
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