REG: Regression in explode when column is non string
- [x] closes #43314
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry

This should cover the issue since the other pr did not make any progress.

Is there a fixture providing all scalar dtypes?

> pandas/core/frame.py:8298: error: List item 0 has incompatible type "Union[str, Tuple[Any, ...], List[Union[str, Tuple[Any, ...]]]]"; expected "Union[str, Tuple[Any, ...]]"  [list-item]

otherwise lgtm Now I rememeber why the assertion was there > Is there a fixture providing all scalar dtypes?
ea_scalar_and_dtype

prob could add one for all scalar types thanks @phofl  @meeseeksdev backport 1.3.x Something went wrong ... Please have  a look at my logs. Will do as a follow up