diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 0202207..f4569ab 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -699,10 +699,12 @@
     fs = warnings.filters[:]
     ps = copy_reg.dispatch_table.copy()
     pic = sys.path_importer_cache.copy()
-    abcs = {obj: obj._abc_registry.copy()
-            for abc in [getattr(_abcoll, a) for a in _abcoll.__all__
-                        if issubclass(getattr(_abcoll, a), _Abstract)]
-            for obj in abc.__subclasses__() + [abc]}
+    abcs = {}
+    for abc in [getattr(_abcoll, a) for a in _abcoll.__all__]:
+        if not isinstance(abc, _Abstract):
+            continue
+        for obj in abc.__subclasses__() + [abc]:
+            abcs[obj] = obj._abc_registry.copy()
 
     if indirect_test:
         def run_the_test():
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 9a285c5..767f3a8 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -279,6 +279,8 @@
         self.assert_(isinstance(sys.copyright, str))
         self.assert_(isinstance(sys.exec_prefix, str))
         self.assert_(isinstance(sys.executable, str))
+        self.assert_(isinstance(sys.float_info, dict))
+        self.assertEqual(len(sys.float_info), 11)
         self.assert_(isinstance(sys.hexversion, int))
         self.assert_(isinstance(sys.maxint, int))
         self.assert_(isinstance(sys.maxunicode, int))