Skip tests that fail on new Fedora infrastructure under Python 2

These tests are related to interrupted system calls, a bug which
was fixed in Python 3, see https://docs.python.org/3/whatsnew/3.5.html#pep-475-retry-system-calls-failing-with-eintr

Resolves https://bugzilla.redhat.com/show_bug.cgi?id=1424208

py2-skip-tests-interrupted-syscall.patch

@@ -0,0 +1,22 @@
+diff --git a/urwid/tests/test_vterm.py b/urwid/tests/test_vterm.py
+index 075c653..a530152 100644
+--- a/urwid/tests/test_vterm.py
++++ b/urwid/tests/test_vterm.py
+@@ -174,6 +174,8 @@ class TermTest(unittest.TestCase):
+         self.write(edgewall % {'x': self.termsize[0] - 1,
+                                'y': self.termsize[1] - 1})
+ 
++    @unittest.skipIf(sys.version_info < (3, 0),
++                     "tends to fail with Interrupted system call")
+     def test_horizontal_resize(self):
+         self.resize(80, 24)
+         self.edgewall()
+@@ -186,6 +188,8 @@ class TermTest(unittest.TestCase):
+         self.flush()
+         self.expect('1-' + '\n' * 22 + '3-')
+ 
++    @unittest.skipIf(sys.version_info < (3, 0),
++                     "tends to fail with Interrupted system call")
+     def test_vertical_resize(self):
+         self.resize(80, 24)
+         self.edgewall()

python-urwid.spec

@@ -17,6 +17,12 @@ License:       LGPLv2+
 URL:           http://excess.org/urwid/
 Source0:       http://excess.org/urwid/urwid-%{version}.tar.gz
 
+# Some tests are failing under Python 2.
+# This is fixed in Python 3, see:
+# https://docs.python.org/3/whatsnew/3.5.html#pep-475-retry-system-calls-failing-with-eintr
+Patch0:        py2-skip-tests-interrupted-syscall.patch
+
+
 BuildRoot:     %{_tmppath}/%{name}-%{version}-%{release}-root-%(id -u -n)
 BuildRequires: python2-devel
 BuildRequires: python-setuptools
@@ -67,6 +73,7 @@ This package contains the urwid module built for use with python3.
 
 %prep
 %setup -q -n urwid-%{version}
+%patch0 -p1
 find urwid -type f -name "*.py" -exec sed -i -e '/^#!\//, 1d' {} \;
 find urwid -type f -name "*.py" -exec chmod 644 {} \;