* Update _utils.py

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* [FIX] [Transformers] VLM input embeds fix for gradients (#3715)

* Fix get_input_embeds call for VLMs

* patch input_require_grads instead

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* cleanup old patch

* cleanup old patch

* cleanup

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* Apply suggestion from @danielhanchen

* use logger instead of prints

* Move unsloth present set

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Daniel Han <danielhanchen@gmail.com>

* Update rope_embedding.py

* Fixes

* Update _utils.py

* Update import_fixes.py

* Update rl_replacements.py

* fix_openenv_no_vllm

* Fix

* Update __init__.py

* Update __init__.py

* Update __init__.py

* Update import_fixes.py

* Update import_fixes.py

* Update import_fixes.py

* logger

* Update __init__.py

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* Update __init__.py

* Update import_fixes.py

* Update __init__.py

* Update import_fixes.py

* Update import_fixes.py

* Update import_fixes.py

* Update import_fixes.py

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* Update import_fixes.py

* Update unsloth/import_fixes.py

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Datta Nimmaturi <venkatadattasainimmaturi@gmail.com>
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This commit is contained in:
Daniel Han 2025-12-16 20:52:57 -08:00 committed by GitHub
commit 96b49b91b5
3 changed files with 114 additions and 27 deletions

View file

@ -126,6 +126,7 @@ from .import_fixes import (
patch_datasets,
patch_enable_input_require_grads,
fix_openenv_no_vllm,
fix_executorch,
)
fix_xformers_performance_issue()
@ -137,6 +138,7 @@ patch_trackio()
patch_datasets()
patch_enable_input_require_grads()
fix_openenv_no_vllm()
fix_executorch()
del fix_xformers_performance_issue
del fix_vllm_aimv2_issue
@ -147,6 +149,7 @@ del patch_trackio
del patch_datasets
del patch_enable_input_require_grads
del fix_openenv_no_vllm
del fix_executorch
# Torch 2.4 has including_emulation
if DEVICE_TYPE == "cuda":

View file

@ -19,16 +19,25 @@ from importlib.metadata import version as importlib_version
from packaging.version import Version as TrueVersion
import re
import logging
import textwrap
# We cannot do from unsloth_zoo.log import logger since FBGEMM might cause seg faults.
UNSLOTH_ENABLE_LOGGING = os.environ.get("UNSLOTH_ENABLE_LOGGING", "0") in ("1", "True", "true",)
UNSLOTH_ENABLE_LOGGING = os.environ.get("UNSLOTH_ENABLE_LOGGING", "0") in (
"1",
"True",
"true",
)
logger = logging.getLogger(__name__)
if UNSLOTH_ENABLE_LOGGING:
logging.basicConfig(level = logging.INFO, format = '[%(name)s|%(levelname)s]%(message)s')
logging.basicConfig(
level = logging.INFO, format = "[%(name)s|%(levelname)s]%(message)s"
)
logger.setLevel(logging.INFO)
else:
logging.basicConfig(level = logging.WARNING, format = '[%(name)s|%(levelname)s]%(message)s')
logger.setLevel(logging.WARNING)
logging.basicConfig(
level = logging.WARNING, format = "[%(name)s|%(levelname)s]%(message)s"
)
logger.setLevel(logging.WARNING)
def Version(version):
@ -111,12 +120,16 @@ def fix_message_factory_issue():
# Fix Xformers performance issues since 0.0.25
def fix_xformers_performance_issue():
if importlib.util.find_spec("xformers") is None:
spec = importlib.util.find_spec("xformers")
if spec is None:
return
xformers_version = importlib_version("xformers")
if Version(xformers_version) < Version("0.0.29"):
xformers_location = importlib.util.find_spec("xformers").origin
xformers_location = os.path.split(xformers_location)[0]
xformers_location = spec.origin
if xformers_location is None:
xformers_location = spec.submodule_search_locations[0]
else:
xformers_location = os.path.split(xformers_location)[0]
cutlass = Path(xformers_location) / "ops" / "fmha" / "cutlass.py"
try:
if cutlass.exists():
@ -140,13 +153,17 @@ def fix_xformers_performance_issue():
# ValueError: 'aimv2' is already used by a Transformers config, pick another name.
def fix_vllm_aimv2_issue():
if importlib.util.find_spec("vllm") is None:
spec = importlib.util.find_spec("vllm")
if spec is None:
return
vllm_version = importlib_version("vllm")
if Version(vllm_version) < Version("0.10.1"):
vllm_version = importlib.util.find_spec("vllm").origin
vllm_version = os.path.split(vllm_version)[0]
ovis_config = Path(vllm_version) / "transformers_utils" / "configs" / "ovis.py"
vllm_location = spec.origin
if vllm_location is None:
vllm_location = spec.submodule_search_locations[0]
else:
vllm_location = os.path.split(vllm_location)[0]
ovis_config = Path(vllm_location) / "transformers_utils" / "configs" / "ovis.py"
try:
if ovis_config.exists():
with open(ovis_config, "r+", encoding = "utf-8") as f:
@ -386,10 +403,14 @@ def torchvision_compatibility_check():
# Fix TRL OpenEnv 0.26 NameError: name 'SamplingParams' is not defined
def fix_openenv_no_vllm():
if importlib.util.find_spec("trl") is None:
spec = importlib.util.find_spec("trl")
if spec is None:
return
trl_location = importlib.util.find_spec("trl").origin
trl_location = os.path.split(trl_location)[0]
trl_location = spec.origin
if trl_location is None:
trl_location = spec.submodule_search_locations[0]
else:
trl_location = os.path.split(trl_location)[0]
openenv = Path(trl_location) / "experimental" / "openenv" / "utils.py"
if not openenv.exists():
return
@ -402,18 +423,15 @@ def fix_openenv_no_vllm():
" from vllm import SamplingParams\n"
" from vllm.sampling_params import GuidedDecodingParams\n"
)
if bad + "\n" + "\n" in text:
text = text.replace(
bad + "\n" + "\n",
bad
+ (
"else:\n"
" from typing import Any\n"
" SamplingParams = Any\n"
" GuidedDecodingParams = Any\n"
"\n"
),
)
replace_with = bad + (
"else:\n"
" from typing import Any\n"
" SamplingParams = Any\n"
" GuidedDecodingParams = Any\n"
"\n"
)
if bad + "\n" + "\n" in text and replace_with not in text:
text = text.replace(bad + "\n" + "\n", replace_with)
f.seek(0)
f.write(text)
f.truncate()
@ -422,3 +440,69 @@ def fix_openenv_no_vllm():
)
except Exception as e:
logger.info(f"Unsloth: Failed patching TRL OpenEnv with error = {str(e)}")
# Fix Exeuctorch needing get_mapped_key
def fix_executorch():
spec = importlib.util.find_spec("executorch")
if spec is None:
return
executorch_location = spec.origin
if executorch_location is None:
executorch_location = spec.submodule_search_locations[0]
else:
executorch_location = os.path.split(executorch_location)[0]
executorch = Path(executorch_location) / "examples" / "models" / "__init__.py"
if not executorch.exists():
return
try:
what = r"""
import sys
import types
import re
from typing import Any, Optional
def get_mapped_key(key: str, mapping_dict: dict[str, str]) -> str:
try:
# Checks if there is a layer # in the key
if any(k.isdigit() for k in key.split(".")):
# Replace layer number with "{}" to create key for lookup
abstract_key = re.sub(r"(\.\d+)", ".{}", key)
layer_num = re.search(r"\d+", key).group(0)
new_key = mapping_dict[abstract_key]
new_key = new_key.format(layer_num)
else:
new_key = mapping_dict[key]
except KeyError as e:
raise Exception(
f'Error converting the state dict. Found unexpected key: "{key}". '
"Please make sure you're loading a checkpoint with the right format. "
) from e
return new_key
torchtune = types.ModuleType("torchtune")
torchtune.__path__ = []
models = types.ModuleType("torchtune.models")
models.__path__ = []
convert_weights = types.ModuleType("torchtune.models.convert_weights")
convert_weights.get_mapped_key = get_mapped_key
torchtune.models = models
models.convert_weights = convert_weights
sys.modules["torchtune"] = torchtune
sys.modules["torchtune.models"] = models
sys.modules["torchtune.models.convert_weights"] = convert_weights
"""
what = textwrap.dedent(what)
with open(executorch, "r+", encoding = "utf-8") as f:
text = f.read()
bad = "from enum import Enum\n"
if bad in text and what not in text:
text = text.replace(bad + "\n", bad + "\n" + what)
f.seek(0)
f.write(text)
f.truncate()
logger.info("Unsloth: Patching Executorch to fix get_mapped_key")
except Exception as e:
logger.info(f"Unsloth: Failed Executorch with error = {str(e)}")

View file

@ -741,7 +741,7 @@ def _patch_trl_rl_trainers(trainer_file = "grpo_trainer"):
"generation_kwargs": {},
"bf16": False,
"fp16": False,
"report_to" : "none",
"report_to": "none",
"include_tokens_per_second": False,
"include_num_input_tokens_seen": False,
"auto_find_batch_size": False, # Auto /2 batch size - too many people complained so removing