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-rw-r--r--cmd2/utils.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/cmd2/utils.py b/cmd2/utils.py
index 3e154bd2..42248884 100644
--- a/cmd2/utils.py
+++ b/cmd2/utils.py
@@ -9,6 +9,7 @@ import subprocess
import sys
import threading
import unicodedata
+import collections.abc as collections_abc
from enum import Enum
from typing import Any, Iterable, List, Optional, TextIO, Union
@@ -57,7 +58,7 @@ def strip_quotes(arg: str) -> str:
def namedtuple_with_defaults(typename: str, field_names: Union[str, List[str]],
- default_values: collections.Iterable = ()):
+ default_values: collections_abc.Iterable = ()):
"""
Convenience function for defining a namedtuple with default values
@@ -79,7 +80,7 @@ def namedtuple_with_defaults(typename: str, field_names: Union[str, List[str]],
T = collections.namedtuple(typename, field_names)
# noinspection PyProtectedMember,PyUnresolvedReferences
T.__new__.__defaults__ = (None,) * len(T._fields)
- if isinstance(default_values, collections.Mapping):
+ if isinstance(default_values, collections_abc.Mapping):
prototype = T(**default_values)
else:
prototype = T(*default_values)