feat(synthesizer): Support for MultiTable

[portellaa]

import os

os.environ['LOG_LEVEL'] = 'DEBUG'

os.environ['YDATA_BASE_URL'] = "fabric.dev.azure.ydata.ai"
os.environ["YDATA_TOKEN"] = "<TOKEN>"

from ydata.sdk.connectors import Connector
from ydata.sdk.datasources import DataSource
from ydata.sdk.synthesizers import MultiTableSynthesizer

datasource = DataSource.get('<datasource uid>')
print(datasource)

synthesizer = MultiTableSynthesizer(write_connector="<connector_uid>")
synthesizer.fit(datasource)

print("sample using connector from synthesizer class")
synthesizer.sample(1.5)

print("sample using a pre-fetched connector")
connector = Connector.get("e8e0443d-8cf4-47a6-a889-2ee29f19861e")
synthesizer.sample(2, write_connector=connector) # with optional write_connector

[aquemy]

The code is OK but I am concerned with the change of the typing from Optional to | None, or Union to | because this was introduced in Python 3.10.
If we want to support from Python 3.8 we cannot use it.

[portellaa]

The code is OK but I am concerned with the change of the typing from Optional to | None, or Union to | because this was introduced in Python 3.10. If we want to support from Python 3.8 we cannot use it.

Ups forgot that. i will revert and test this with python 3.8, totally forgot

[portellaa]

@aquemy already reverted the changes to support python 3.8

[portellaa]

reverted