get_connection: catch OSError too (#1832)

Author: Enchufa2

redis/connection.py

@@ -1317,7 +1317,7 @@ def get_connection(self, command_name, *keys, **options):
             try:
                 if connection.can_read():
                     raise ConnectionError("Connection has data")
-            except ConnectionError:
+            except (ConnectionError, OSError):
                 connection.disconnect()
                 connection.connect()
                 if connection.can_read():