Issue #23641: Cleaned out legacy dunder names from tests and docs.
Fixed 2 to 3 porting bug in pynche.ColorDB.
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 910d5ea..243e2a3 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -992,7 +992,7 @@
    Note 4: A similar implementation is in Modules/cmathmodule.c.
    Be sure to update both when making changes.
 
-   Note 5: The signature of math.fsum() differs from __builtin__.sum()
+   Note 5: The signature of math.fsum() differs from builtins.sum()
    because the start argument doesn't make sense in the context of
    accurate summation.  Since the partials table is collapsed before
    returning a result, sum(seq2, start=sum(seq1)) may not equal the