fix: Add validations in place

ingestion/src/metadata/ingestion/source/database/salesforce/connection.py

@@ -15,7 +15,6 @@
 from typing import Optional
 
 from simple_salesforce.api import Salesforce
-from sqlalchemy.engine import Engine
 
 from metadata.generated.schema.entity.automations.workflow import (
  Workflow as AutomationWorkflow,
@@ -27,14 +26,18 @@
 from metadata.ingestion.ometa.ometa_api import OpenMetadata
 
 
-def get_connection(connection: SalesforceConnection) -> Engine:
+def get_connection(connection: SalesforceConnection):
  """
  Create connection
  """
  return Salesforce(
  username=connection.username,
- password=connection.password.get_secret_value(),
- security_token=connection.securityToken.get_secret_value(),
+ password=connection.password.get_secret_value()
+ if connection.password
+ else None,
+ security_token=connection.securityToken.get_secret_value()
+ if connection.securityToken
+ else None,
  domain=connection.salesforceDomain,
  version=connection.salesforceApiVersion,
  **connection.connectionArguments.root if connection.connectionArguments else {},