Remove SixDocChecker from test_showevents.

comtypes/test/test_showevents.py

@@ -1,24 +1,11 @@
 import doctest
-import sys
-import re
 import unittest
 
 
-class SixDocChecker(doctest.OutputChecker):
-    # see https://dirkjan.ochtman.nl/writing/2014/07/06/single-source-python-23-doctests.html
-    def check_output(self, want, got, optionflags):
-        if sys.version_info >= (3, 0):
-            want = re.sub(r"u'(.*?)'", r"'\1'", want)
-            want = re.sub(r'u"(.*?)"', r'"\1"', want)
-        return doctest.OutputChecker.check_output(self, want, got, optionflags)
-
-
 def load_tests(loader, tests, ignore):
     import comtypes.test.test_showevents
 
-    tests.addTests(
-        doctest.DocTestSuite(comtypes.test.test_showevents, checker=SixDocChecker())
-    )
+    tests.addTests(doctest.DocTestSuite(comtypes.test.test_showevents))
     return tests
 
 
@@ -32,9 +19,9 @@ def StdFont_ShowEvents(self):
         >>> conn = ShowEvents(font)
         # event found: FontEvents_FontChanged
         >>> font.Name = 'Arial'
-        Event FontEvents_FontChanged(None, u'Name')
+        Event FontEvents_FontChanged(None, 'Name')
         >>> font.Italic = True
-        Event FontEvents_FontChanged(None, u'Italic')
+        Event FontEvents_FontChanged(None, 'Italic')
         >>> PumpEvents(0.01)  # just calling. assertion does in `test_pump_events.py`
         >>> conn.disconnect()
         """