Killed the <> operator.  You must now use !=.

Opportunistically also fixed one or two places where '<> None' should be
'is not None' and where 'type(x) <> y' should be 'not isinstance(x, y)'.
diff --git a/Lib/bsddb/dbtables.py b/Lib/bsddb/dbtables.py
index 655fb96..7f862d7 100644
--- a/Lib/bsddb/dbtables.py
+++ b/Lib/bsddb/dbtables.py
@@ -453,7 +453,7 @@
                              # error
                             dataitem = None
                         dataitem = mappings[column](dataitem)
-                        if dataitem <> None:
+                        if dataitem != None:
                             self.db.put(
                                 _data_key(table, column, rowid),
                                 dataitem, txn=txn)