Use string_types

2026-06-29 23:23:34 +08:00 · 2016-04-28 15:28:19 -04:00
parent 85ae664d8c
commit 8d1ecb508a
1 changed files with 1 additions and 1 deletions
@@ -652,7 +652,7 @@ class TradingAlgorithm(object):
                new_assets.add(identifier)
            elif isinstance(identifier, Integral) and is_unknown(identifier):
                new_sids.add(identifier)
-            elif isinstance(identifier, (bytes, unicode)):
+            elif isinstance(identifier, (string_types)):
                new_symbols.add(identifier)
            else:
                try: