[Bug]: Minor bug in gemini batch prediction tutorial (trailing slash in gcs_uri breaks fsspec.glob pattern)

[baeseongsu]

File Name

gemini/batch-prediction/intro_batch_prediction.ipynb

What happened?

In the current gemini/batch-prediction/intro_batch_prediction.ipynb notebook, the gcs_batch_job.dest.gcs_uri attribute from a completed job includes a trailing slash. When this URI is used with the notebook's f-string glob pattern, the resulting double slash breaks the path search, causing fsspec.glob() to fail to retrieve the predictions.jsonl file.

Could this issue be resolved by using .rstrip('/') on the URI before concatenation?

Relevant log output

fs = fsspec.filesystem("gcs")

# Since this pattern includes a double slash, file_paths will be an empty list.
file_paths = fs.glob(f"{gcs_batch_job.dest.gcs_uri}/*/predictions.jsonl")

if gcs_batch_job.state == "JOB_STATE_SUCCEEDED":
    # Load the JSONL file into a DataFrame
    df = pd.read_json(f"gs://{file_paths[0]}", lines=True)

    df = df.join(pd.json_normalize(df["response"], "candidates"))
    display(df)

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