`examples/sql-on-pandas.py` does not run

[milenkovicm]

Describe the bug

/examples/sql-on-pandas.py example does not run in python 3.10, 3.11, complaining with Can't instantiate abstract class SessionContext ...

Note: there is same problem with sql-on-cudf.py

To Reproduce

run /examples/sql-on-pandas.py

Expected behavior

example to run

Additional context
Add any other context about the problem here.