DOC: Clarify how AssetExists() is special.

2026-07-18 12:20:12 +08:00 · 2016-08-17 16:52:09 -04:00
parent 9e06886794
commit 670f3c106f
1 changed files with 3 additions and 0 deletions
@@ -320,6 +320,9 @@ class AssetExists(Term):
    every asset on every date.  We don't subclass Filter, however, because
    `AssetExists` is computed directly by the PipelineEngine.

+    This term is guaranteed to be available as an input for any term computed
+    by SimplePipelineEngine.run_pipeline().
+
    See Also
    --------
    zipline.assets.AssetFinder.lifetimes