* linting: fix python linting
* fix: get column types from parquet schema for parquet files
* style: python linting
* fix: remove displayType check in test as variation depending on OS
* feat: fetch metrics from system tables
* feat: add permission doc for fetching metrics from system tables
* feat: fix E2E tests to reflect full table row count after table metric update
* feat: ran linting
* feat: fix doc string engine name + function typing
* feat: ran python linting