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Use raw strings for regex to avoid invalid escape sequences. #4741

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Merged
ericvsmith merged 1 commit into from
Dec 6, 2017
Merged

Use raw strings for regex to avoid invalid escape sequences. #4741

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4 changes: 2 additions & 2 deletions Lib/test/test_dataclasses.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1831,7 +1831,7 @@ class C:
# if we're also replacing one that does exist. Test this
# here, because setting attributes on frozen instances is
# handled slightly differently from non-frozen ones.
with self.assertRaisesRegex(TypeError, "__init__\(\) got an unexpected "
with self.assertRaisesRegex(TypeError, r"__init__\(\) got an unexpected "
"keyword argument 'a'"):
c1 = replace(c, x=20, a=5)

Expand All @@ -1842,7 +1842,7 @@ class C:
y: int

c = C(1, 2)
with self.assertRaisesRegex(TypeError, "__init__\(\) got an unexpected "
with self.assertRaisesRegex(TypeError, r"__init__\(\) got an unexpected "
"keyword argument 'z'"):
c1 = replace(c, z=3)

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