Merge pull request #963 from pganssle/contextlib_import

Fix incorrect import in Python 3.7+
dateutil · Sep 27, 2019 · 6c7719b · 6c7719b
2 parents 22b43cb + 980e5aa
commit 6c7719b
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diff --git a/changelog.d/963.bugfix.rst b/changelog.d/963.bugfix.rst
@@ -0,0 +1,2 @@
+Fixed issue where ``dateutil.tz`` was using a backport of ``contextlib.nullcontext``
+even in Python 3.7 due to a malformed import statement.
diff --git a/dateutil/tz/tz.py b/dateutil/tz/tz.py
@@ -1823,7 +1823,7 @@ def _get_supported_offset(second_offset):
 
 try:
     # Python 3.7 feature
-    from contextmanager import nullcontext as _nullcontext
+    from contextlib import nullcontext as _nullcontext
 except ImportError:
     class _nullcontext(object):
         """