From df82d3a2211418e40140a2f086d6ed9145b1abaa Mon Sep 17 00:00:00 2001
From: Joe Jevnik <joe@quantopian.com>
Date: Thu, 5 Jan 2017 20:15:55 -0500
Subject: [PATCH] BUG: reload_symbol_maps should clear the
 equity_supplementary_maps

---
 zipline/assets/assets.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/zipline/assets/assets.py b/zipline/assets/assets.py
index 3e55711919..e27fa92868 100644
--- a/zipline/assets/assets.py
+++ b/zipline/assets/assets.py
@@ -322,6 +322,14 @@ def reload_symbol_maps(self):
             del type(self).fuzzy_symbol_ownership_map[self]
         except KeyError:
             pass
+        try:
+            del type(self).equity_supplementary_map[self]
+        except KeyError:
+            pass
+        try:
+            del type(self).equity_supplementary_map_by_sid[self]
+        except KeyError:
+            pass
 
     @lazyval
     def symbol_ownership_map(self):