use assert[Not]In where appropriate
A patch from Dave Malcolm.
diff --git a/Lib/test/test_copyreg.py b/Lib/test/test_copyreg.py
index 4fb89d0..8359e28 100644
--- a/Lib/test/test_copyreg.py
+++ b/Lib/test/test_copyreg.py
@@ -54,7 +54,7 @@
self.assertTrue(copyreg._extension_registry[mod, func] == code)
self.assertTrue(copyreg._inverted_registry[code] == (mod, func))
# Shouldn't be in the cache.
- self.assertTrue(code not in copyreg._extension_cache)
+ self.assertNotIn(code, copyreg._extension_cache)
# Redundant registration should be OK.
copyreg.add_extension(mod, func, code) # shouldn't blow up
# Conflicting code.
@@ -81,7 +81,7 @@
e.restore()
# Shouldn't be there anymore.
- self.assertTrue((mod, func) not in copyreg._extension_registry)
+ self.assertNotIn((mod, func), copyreg._extension_registry)
# The code *may* be in copyreg._extension_registry, though, if
# we happened to pick on a registered code. So don't check for
# that.