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Fix WAN training/inference error for new JAX/Flax Version #265

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Merged
susanbao merged 1 commit into from
Oct 9, 2025
Merged

Fix WAN training/inference error for new JAX/Flax Version #265

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2 changes: 2 additions & 0 deletions src/maxdiffusion/generate_wan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
from absl import app
from maxdiffusion.utils import export_to_video
from google.cloud import storage
import flax


def upload_video_to_gcs(output_dir: str, video_path: str):
Expand Down Expand Up @@ -161,6 +162,7 @@ def run(config, pipeline=None, filename_prefix=""):

def main(argv: Sequence[str]) -> None:
pyconfig.initialize(argv)
flax.config.update('flax_always_shard_variable', False)
run(pyconfig.config)


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2 changes: 2 additions & 0 deletions src/maxdiffusion/train_wan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
from absl import app
from maxdiffusion import max_logging, pyconfig
from maxdiffusion.train_utils import validate_train_config
import flax


def train(config):
Expand All @@ -34,6 +35,7 @@ def main(argv: Sequence[str]) -> None:
config = pyconfig.config
validate_train_config(config)
max_logging.log(f"Found {jax.device_count()} devices.")
flax.config.update('flax_always_shard_variable', False)
train(config)


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