Raise more graceful error when port is not int (#820)

brettl-sprint · methane · commit 2330bf798894 · 2019-11-22T01:33:03.000+09:00
diff --git a/pymysql/connections.py b/pymysql/connections.py
@@ -254,6 +254,8 @@ def _config(key, arg):
 
         self.host = host or "localhost"
         self.port = port or 3306
+        if type(self.port) is not int:
+            raise ValueError("port should be of type int")
         self.user = user or DEFAULT_USER
         self.password = password or b""
         if isinstance(self.password, text_type):
