From f4151e62ac6cfaf420017a4ba0e229a10ada4202 Mon Sep 17 00:00:00 2001
From: Rachel Heaven <reh@bgs.ac.uk>
Date: Mon, 24 Jun 2024 15:48:08 +0100
Subject: [PATCH] added type hint to connection types in db_helper_factory

---
 etlhelper/db_helper_factory.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/etlhelper/db_helper_factory.py b/etlhelper/db_helper_factory.py
index 1eb287e..e35b452 100644
--- a/etlhelper/db_helper_factory.py
+++ b/etlhelper/db_helper_factory.py
@@ -18,7 +18,7 @@ class DbHelperFactory():
     """
     def __init__(self):
         self.helpers = {}
-        self._conn_types = {}
+        self._conn_types: dict[str, str] = {}
 
     def register_helper(self, dbtype, conn_type, db_helper):
         """