From 9660447ed0aede8218cd6c138c38870f5f680430 Mon Sep 17 00:00:00 2001 From: Stewart Douglas Date: Fri, 7 Aug 2015 17:49:53 -0400 Subject: [PATCH] MAINT: Ensure correct pandas.DataFrame is returned --- zipline/assets/asset_writer.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/zipline/assets/asset_writer.py b/zipline/assets/asset_writer.py index ec47a366..df3a9a9b 100644 --- a/zipline/assets/asset_writer.py +++ b/zipline/assets/asset_writer.py @@ -450,7 +450,7 @@ class AssetDBWriterFromList(AssetDBWriter): (_futures, self._futures), ]: for identifier in data: if hasattr(identifier, '__int__'): - output[identifier.__int__()] = {} + output[identifier.__int__()] = {'symbol': None} else: if self.allow_sid_assignment: output[id_counter] = {'symbol': identifier}