Fix typo in comment.
Delete globals which contain variable information at the end of the test.
This makes the test stable (no reported leaks) when running regrtest -R
to find reference leaks.
diff --git a/Lib/test/test_mutants.py b/Lib/test/test_mutants.py
index d495704..df58944 100644
--- a/Lib/test/test_mutants.py
+++ b/Lib/test/test_mutants.py
@@ -36,7 +36,7 @@
dict1keys = []
dict2keys = []
-# Global flag telling maybe_mutate() wether to *consider* mutating.
+# Global flag telling maybe_mutate() whether to *consider* mutating.
mutate = 0
# If global mutate is true, consider mutating a dict. May or may not
@@ -281,3 +281,4 @@
os.unlink(TESTFN)
del dict
+del dict1, dict2, dict1keys, dict2keys