Merge pull request #297 from nathanjhaveri/fix-slash-d-error

Fix for None dereference on "\d schemaname." with sequence

pgcli/packages/pgspecial/dbcommands.py

@@ -600,6 +600,7 @@ def describe_one_table_details(cur, schema_name, relation_name, oid, verbose):
         log.debug(sql)
         cur.execute(sql)
         result = cur.fetchone()
+        if result:
             status.append("Owned by: %s" % result[0])
 
         #/*