code: def rows_count(self):
      return 100
  
imports: import pytest
  from pandasai.connectors import BaseConnector
  from pandasai.connectors.base import BaseConnectorConfig
  from pandasai.helpers import Logger
label_desc: Use image node_id 5 for calling the MockConnector obj's underlying member method code with example usage: obj.rows_count() and returns: int