memory (sqlite): minor log improvment

sat/memory/sqlite.py

@@ -174,8 +174,10 @@ class ConnectionPool(adbapi.ConnectionPool):
             if retry == 0:
                 log.error(
                     _(u'too many interaction tries, we abandon! Error message: {msg}\n'
-                      u'interaction was {args}'
-                      .format(msg=e, args=u' '.join([unicode(a) for a in args]))))
+                      u'interaction method was: {interaction}\n'
+                      u'interaction arguments were: {args}'
+                      .format(msg=e, interaction=interaction,
+                              args=u', '.join([unicode(a) for a in args]))))
                 raise e
             log.warning(
                 _(u'exception while running interaction, retrying ({try_}): {msg}')