Discovery when running from Locator

[saberraz]

Discovery configured with MSSQL db, comes up with this error when trying to use in Locator:

   An error has occurred while executing Python code:
             
             
             AttributeError: 'QSqlDatabase' object has no attribute 'execute'
             
             
             Traceback (most recent call last):
              File "C:/Users/Saber/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\Discovery\locator_filter.py", line 53, in fetchResults
              cur.execute(query_text, query_dict)
             AttributeError: 'QSqlDatabase' object has no attribute 'execute'
             
             
             
             
             Python version: 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)]
             
             
             QGIS version: 3.4.5-Madeira Madeira, 89ee6f6e23