operatorai / operatorai/modelstore

ValueError: could not find matching manager

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bug pending-release
Dominant language
Python
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Description

I am trying to run the following code using v0.0.80


import tensorflow as tf
from modelstore import ModelStore

model_store = ModelStore.from_azure(
        container_name="xyz",
        root_prefix="xyz",
    )


def tf_model():
    model = tf.keras.models.Sequential(
        [
            tf.keras.layers.Dense(5, activation="relu", input_shape=(10,)),
            tf.keras.layers.Dropout(0.2),
            tf.keras.layers.Dense(1),
        ]
    )
    model.compile(optimizer="adam", loss="mean_squared_error")
    return model
# Upload model 
model = tf_model()
meta_data = model_store.upload(model_domain, model=model)

I get the following error:

Traceback (most recent call last):
  File "/tmp/core/trainer.py", line 140, in <module>
    meta_data = model_store.upload(model_domain, model=model)
  File "/tmp/.venv/lib/python3.10/site-packages/modelstore/model_store.py", line 283, in upload
    managers = matching_managers(self._libraries, **kwargs)
  File "/tmp/.venv/lib/python3.10/site-packages/modelstore/models/managers.py", line 87, in matching_managers
    raise ValueError("could not find matching manager")
ValueError: could not find matching manager

When I tried to log all the managers in this function: https://github.com/operatorai/modelstore/blob/6e438c55d90fad1b5a0a80d278ef2f24f26c93b4/modelstore/models/managers.py#L80

I get this:

[<modelstore.models.missing_manager.MissingDepManager object at 0x12da03610>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da03d60>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34ee0>, <modelstore.models.model_file.ModelFileManager object at 0x12da34940>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34a30>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da348e0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12d44df00>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34b80>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34ac0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34970>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34bb0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34be0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da347f0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34e80>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34e20>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34dc0>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34d60>, <modelstore.models.missing_manager.MissingDepManager object at 0x12da34d00>]

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start at modelstore/model_store.py in ModelStore.upload and modelstore/models/managers.py in matching_managers, then reproduce the v0.0.80 example with its listed dependencies. Compare the available managers and MissingDepManager entries to identify why no manager matches; done means the TensorFlow model upload no longer raises this ValueError.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, python, tensorflow
Domain
cloud, machine-learning
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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