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-rw-r--r--netlib/http/headers.py5
1 files changed, 0 insertions, 5 deletions
diff --git a/netlib/http/headers.py b/netlib/http/headers.py
index 5cf15b6f..6165fd61 100644
--- a/netlib/http/headers.py
+++ b/netlib/http/headers.py
@@ -2,11 +2,6 @@ from __future__ import absolute_import, print_function, division
import re
-try:
- from collections.abc import MutableMapping
-except ImportError: # pragma: no cover
- from collections import MutableMapping # Workaround for Python < 3.3
-
import six
from ..multidict import MultiDict
from ..utils import always_bytes