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It appears from the issue you're describing that you might be using `quote` incorrectly. In the code example you linked, the `quote` function seems to be called with too many arguments. According to standard Python, the function `quote` from the `urllib.parse` module only takes a single argument as the string to be escaped. If `quote` is a custom function in your code or part of a library you are using, you should refer to that specific function's documentation for proper usage.

The example you've provided doesn't seem to showcase the `quote` function from any standard library or common practice, so reviewing the documentation or the definition of the `quote` function used in your codebase is required. Please ensure that you pass only the number of arguments expected by the function.

If `quote` is expected to wrap the tasks, it suggests that it should be applied individually to each task call rather than to the result of multiple task calls. Here's a corrected form if `quote` is indeed intended to take a single argument:

```python
my_df = prepare(
    quote(task2("source")),
    quote(task2("source_processed")),
    quote(task2("source_unprocessed")),
)
```

Please consult the documentation or implementation of your specific `quote` function to resolve the issue accurately. If you still encounter problems, consider providing more context or the specific definition of `quote`.

The `quote` function from `prefect.utilities.annotations` does not have any public-facing documentation or examples in the `prefect-code-examples` GitHub repository. However, given that you're encountering a `Too many arguments` error, it's likely that `quote` is supposed to wrap a single argument at a time, much like Python's built-in function decorators.

To resolve this issue, try using `quote` on each individual call to `task2` rather than passing multiple quoted task outputs to a single `prepare` call. Here's how you can modify your code:

```python
my_df = prepare(
    quote(task2("source")),
    quote(task2("source_processed")),
    quote(task2("source_unprocessed")),
)
```

In this case, each call to `quote(task2(...))` is treated as a separate argument to be passed to the `prepare` function, assuming `prepare` can accept multiple arguments.

Since it appears that the `quote` function's definition and expected usage isn't present in my examples database, I would recommend checking the source code or implementation of this specific `quote` function used within your Prefect version for the most accurate information.

If `quote` is a decorator meant to be applied directly to a task definition, applying it as a wrapper function in a flow might not work as you expect. You may need to adjust the task definitions themselves or clarify the proper use of `quote` with the maintainers of Prefect or through reading the source code.