etl pipeline tutorial fails due to missing instructions/code

[esokada]

What's the issue or suggestion?

The "Refactor Your Project" step of the etl pipeline tutorial fails for two reasons:

Issue 1:
The webpage seems to be missing a description/code snippet for partitions.py.

This causes the refactored tutorial to fail with:
dagster._core.errors.DagsterImportError: Encountered ImportError: No module named 'etl_tutorial.partitions' while importing module etl_tutorial.definitions.

Issue 2:
The code snippets on the webpage are missing an import:
from dagster_duckdb import DuckDBResource

This causes the refactored tutorial to fail with:
NameError: name 'DuckDBResource' is not defined

Additional information

No response

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