Wrong path separator in error message when saved model does not exist (in keras.models.load_model)

[spopovru]

System information

• Have I written custom code (as opposed to using a stock example script provided in TensorFlow): Yes
• OS Platform and Distribution (e.g., Linux Ubuntu 16.04): Windows 10 Home Single Language (build 19042.610)
• TensorFlow installed from (source or binary): binary
• TensorFlow version (use command below): v2.3.0-54-gfcc4b966f1 2.3.1
• Python version: 3.8.6
• CUDA/cuDNN version: 10.1
• GPU model and memory: GeForce RTX 2070 SUPER 8 GB

Current behavior
When I use function keras.models.load_model with incorrect path, I catch IOError:
OSError: SavedModel file does not exist at: C:\IncorrectPathToSavedModel/{saved_model.pbtxt|saved_model.pb}
Because I use Windows, path separator "/" is incorrect, and when I view code of parse_saved_model in "\tensorflow\python\saved_model\loader_impl.py" I see hardcoded symbol in error text definition.

Expected behavior
Path separator should be recived from os.path.sep, for example in Windows this error message must be:
OSError: SavedModel file does not exist at: C:\IncorrectPathToSavedModel\{saved_model.pbtxt|saved_model.pb}
in Linux:
OSError: SavedModel file does not exist at: ~/IncorrectPathToSavedModel/{saved_model.pbtxt|saved_model.pb}

Standalone code to reproduce the issue

from tensorflow import keras
model_dir = 'C:\\IncorrectPathToSavedModel'
model = keras.models.load_model(model_dir)

[sachinprasadhs]

Was able to reproduce your issue in Tf Nightly 2.6.0-dev20210530, please find the gist here. Thanks!

[jvishnuvardhan]

@spopovru Looks like this was resolved by your PR. Can we close this issue? Thanks!

Error with TF2.5

OSError: SavedModel file does not exist at: C:\IncorrectPathToSavedModel/{saved_model.pbtxt|saved_model.pb}

Error with tf-nightly

OSError: No file or directory found at C:\IncorrectPathToSavedModel

[google-ml-butler]

This issue has been automatically marked as stale because it has no recent activity. It will be closed if no further activity occurs. Thank you.

[spopovru]

@spopovru Looks like this was resolved by your PR. Can we close this issue? Thanks!

Error with TF2.5

OSError: SavedModel file does not exist at: C:\IncorrectPathToSavedModel/{saved_model.pbtxt|saved_model.pb}

Error with tf-nightly

OSError: No file or directory found at C:\IncorrectPathToSavedModel

Yes, this issue may be closed.
Thank you!

[google-ml-butler]

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