bpo-34789: make xml.sax.make_parser accept iterables of all types (GH-9576)

1 files changed, 4 insertions, 4 deletions

diff --git a/Lib/xml/sax/__init__.py b/Lib/xml/sax/__init__.py
index 13f6cf5..a0f5d40 100644
--- a/Lib/xml/sax/__init__.py
+++ b/Lib/xml/sax/__init__.py
@@ -67,15 +67,15 @@ if sys.platform[:4] == "java" and sys.registry.containsKey(_key):
     default_parser_list = sys.registry.getProperty(_key).split(",")
 
 
-def make_parser(parser_list = []):
+def make_parser(parser_list=()):
     """Creates and returns a SAX parser.
 
     Creates the first parser it is able to instantiate of the ones
-    given in the list created by doing parser_list +
-    default_parser_list.  The lists must contain the names of Python
+    given in the iterable created by chaining parser_list and
+    default_parser_list.  The iterables must contain the names of Python
     modules containing both a SAX parser and a create_parser function."""
 
-    for parser_name in parser_list + default_parser_list:
+    for parser_name in list(parser_list) + default_parser_list:
         try:
             return _create_parser(parser_name)
         except ImportError as e: