bpo-24274: fix erroneous comment in dictobject.c (GH-200)
lookdict_unicode() and lookdict_unicode_nodummy() may raise exception
when key is not unicode.
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index b63b78a..a0c1977 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -676,7 +676,8 @@
lookdict() is general-purpose, and may return DKIX_ERROR if (and only if) a
comparison raises an exception.
lookdict_unicode() below is specialized to string keys, comparison of which can
-never raise an exception; that function can never return DKIX_ERROR.
+never raise an exception; that function can never return DKIX_ERROR when key
+is string. Otherwise, it falls back to lookdict().
lookdict_unicode_nodummy is further specialized for string keys that cannot be
the <dummy> value.
For both, when the key isn't found a DKIX_EMPTY is returned. hashpos returns