From 0580b204a3a280d72ab3bb66eb88536af3451292 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Wed, 13 Jul 2022 13:48:54 -0400
Subject: [PATCH] A `size` field in ticks is optional

---
 piker/data/_normalize.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/piker/data/_normalize.py b/piker/data/_normalize.py
index 677468ad..13708252 100644
--- a/piker/data/_normalize.py
+++ b/piker/data/_normalize.py
@@ -56,7 +56,7 @@ def iterticks(
                     sig = (
                         time,
                         tick['price'],
-                        tick['size']
+                        tick.get('size')
                     )
 
                     if ttype == 'dark_trade':