fsspec / fsspec/s3fs

'S3' object has no attribute '__aenter__'

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Dominant language
Python
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Description

What happened:
Got an error saying 'S3' object has no attribute '__aenter__'

What you expected to happen:
Should not see this
Minimal Complete Verifiable Example:

s3fs.S3FileSystem(
                session=botocore.session.Session(
                    profile=cls.__aws_profile)).open

Anything else we need to know?:
works fine with 0.4.2
but it does not with 0.5.1
Environment:

  • Dask version:
  • Python version: 3.8
  • Operating System: MacOS
  • Install method (conda, pip, source):
    conda and pip

Contributor guide

Open the contributing guide

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 by reproducing the provided S3FileSystem.open example under Python 3.8 with versions 0.4.2 and 0.5.1, using the reported botocore session and AWS profile. Trace the aenter error from that entry point and add a regression test demonstrating the expected behavior without the AttributeError.

Written by the indexing model from the issue text.

Assessment

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

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