Future Warning: Meta is not valid

[Onur101010]

Describe the bug
When using clean_country on pd Dataframe with python 3.10 the cleaning process does run but shows the following error message:

C:\ProgramData\Anaconda3\lib\site-packages\dask\dataframe\core.py:6641: FutureWarning: Meta is not valid, map_partitions and map_overlap expects output to be a pandas object. Try passing a pandas object as meta or a dict or tuple representing the (name, dtype) of the columns. In the future the meta you passed will not work.
warnings.warn(

To Reproduce
Steps to reproduce the behavior:
run the function clean_country with pd.dataframe (outputformat "name")

Or:

clean_country(countries, "country", output_format="name")

with countries beeing a pandas Dataframe

Expected behavior
Should not lead to the error

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Mozilla
• Platform: Jupyter Notebook and also testet on Python Script
• Python Version 3.9.12
• Dataprep Version 0.4.5

Additional context
Problem also exists with clean_email