File _service:extract_file:testtools-2.3.0-py37.patch of Package python-testtools

File _service:extract_file:testtools-2.3.0-py37.patch of Package python-testtools (Revision 8e57b559bdb6816d865cc8523366a4c2)

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From 29004731f9c480b7c44a9c2605513d50d372898f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
Date: Thu, 17 May 2018 17:52:26 +0200
Subject: [PATCH] Fix the tests on Python 3.7

Exception's repr got changed not to include trailing comma

Fixes https://github.com/testing-cabal/testtools/issues/270
---
 .travis.yml                                |  1 +
 testtools/tests/matchers/test_exception.py | 11 +++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 7f1f4db7..784608e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
+  - "3.7-dev"
   - "pypy"
 
 install:
diff --git a/testtools/tests/matchers/test_exception.py b/testtools/tests/matchers/test_exception.py
index 6cd80af1..acd39252 100644
--- a/testtools/tests/matchers/test_exception.py
+++ b/testtools/tests/matchers/test_exception.py
@@ -32,15 +32,22 @@ class TestMatchesExceptionInstanceInterface(TestCase, TestMatchersInterface):
     matches_matches = [error_foo]
     matches_mismatches = [error_bar, error_base_foo]
 
+    if sys.version_info >= (3, 7):
+        # exception's repr has changed
+        _e = ''
+    else:
+        _e = ','
+
     str_examples = [
-        ("MatchesException(Exception('foo',))",
+        ("MatchesException(Exception('foo'%s))" % _e,
          MatchesException(Exception('foo')))
         ]
     describe_examples = [
         ("%r is not a %r" % (Exception, ValueError),
          error_base_foo,
          MatchesException(ValueError("foo"))),
-        ("ValueError('bar',) has different arguments to ValueError('foo',).",
+        ("ValueError('bar'%s) has different arguments to ValueError('foo'%s)."
+         % (_e, _e),
          error_bar,
          MatchesException(ValueError("foo"))),
         ]