[FIX] importation of time lib was missing for eval()

bzr revid: jvo@tinyerp.com-20100512103229-lusl8l48x3fwuzf2

bin/tools/convert.py

@@ -78,6 +78,7 @@ def _eval_xml(self,node, pool, cr, uid, idref, context=None):
                 return f_val
             a_eval = node.get('eval','')
             if a_eval:
+                import time
                 idref2 = idref.copy()
                 idref2['time'] = time
                 idref2['DateTime'] = datetime