Added test to verify sql objects work with copy_expert()

I'll be honest: I lucked out, I didn't think about this combination. But
maybe sheer luck, maybe using common code paths, it just works. Let's
make it stays so.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/sql.py b/lib/sql.py
index e7d42e6..ffd9e27 100644
--- a/lib/sql.py
+++ b/lib/sql.py
@@ -1,7 +1,7 @@
 """SQL composition utility module
 """
 
-# psycopg/sql.py - Implementation of the JSON adaptation objects
+# psycopg/sql.py - SQL composition utility module
 #
 # Copyright (C) 2016 Daniele Varrazzo  <daniele.varrazzo@gmail.com>
 #