From 25dc3ee737aa1572e53afb765b1359c3c3b45dd7 Mon Sep 17 00:00:00 2001
From: Frederic Fortier <fredfortier@gmail.com>
Date: Tue, 27 Feb 2018 22:29:21 -0500
Subject: [PATCH] DOC: fixed issue with exchange config script

---
 catalyst/assets/_assets.pyx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/catalyst/assets/_assets.pyx b/catalyst/assets/_assets.pyx
index bc896313..f79a5b46 100644
--- a/catalyst/assets/_assets.pyx
+++ b/catalyst/assets/_assets.pyx
@@ -667,6 +667,9 @@ cdef class TradingPair(Asset):
         else:
             self.end_daily = dt
 
+    def set_start_date(self, dt):
+        self.start_date = dt
+
     cpdef __reduce__(self):
         """
         Function used by pickle to determine how to serialize/deserialize this