fix: change StrEnum to support lower python versions (#192)

Author: Balu-Varanasi

llmstack/common/blocks/data/store/database/constants.py

@@ -1,7 +1,7 @@
-from enum import StrEnum
+from enum import Enum
 
 
-class DatabaseEngineType(StrEnum):
+class DatabaseEngineType(str, Enum):
     POSTGRESQL = "postgresql"
     MYSQL = "mysql"
     SQLITE = "sqlite"

llmstack/datasources/handlers/databases/sql.py

@@ -6,12 +6,12 @@
 from typing_extensions import Literal
 
 from llmstack.common.blocks.base.schema import BaseSchema as _Schema
+from llmstack.common.blocks.data.store.database.constants import DatabaseEngineType
 from llmstack.common.blocks.data.store.database.database_reader import (
     DatabaseReader,
     DatabaseReaderInput,
 )
 from llmstack.common.blocks.data.store.database.utils import (
-    DatabaseEngineType,
     get_database_configuration_class,
 )
 from llmstack.common.blocks.data.store.vectorstore import Document