From 8f661387df862a7074048a5051802545b84bf994 Mon Sep 17 00:00:00 2001 From: llllllllll Date: Fri, 2 Oct 2015 22:19:53 -0400 Subject: [PATCH] ENH: allows any iterator to be the return of load_adjusted_arrays --- zipline/pipeline/engine.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/zipline/pipeline/engine.py b/zipline/pipeline/engine.py index 2e4f2e0f..fe56787e 100644 --- a/zipline/pipeline/engine.py +++ b/zipline/pipeline/engine.py @@ -339,9 +339,9 @@ class SimplePipelineEngine(object): key=lambda t: t.dataset ) loader = get_loader(term) - loaded = loader.load_adjusted_array( + loaded = tuple(loader.load_adjusted_array( to_load, mask_dates, assets, mask, - ) + )) assert len(to_load) == len(loaded) for loaded_term, adj_array in zip_longest(to_load, loaded): workspace[loaded_term] = adj_array