Mosaic library not supported in db13 and unity catalog

[DB_learn]

I want to use gepatial functions which uses mosaic library. How can I use it without using mosaic library and import functions available ?

Example st_aswkt

[DB_learn]

Thanks for the response! 

I tried using it. In sql it is working fine

but when I tried in python it is failing

Syntax 

from pyspark.databricks.sql.functions import *
from math import *

h3_pointash3('POINT("lat","lan")',13))

this is giving me syntax error

[sean_owen]

You have a syntax error there indeed - extra parenthesis.