From f76952f979e80e9774b8d1450a3259838ee69992 Mon Sep 17 00:00:00 2001
From: KeKe <45591222+1122455801@users.noreply.github.com>
Date: Mon, 4 Nov 2019 09:56:13 +0800
Subject: [PATCH] Update bybit_gateway.py

---
 vnpy/gateway/bybit/bybit_gateway.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vnpy/gateway/bybit/bybit_gateway.py b/vnpy/gateway/bybit/bybit_gateway.py
index f15d0b6e..f50ebce2 100644
--- a/vnpy/gateway/bybit/bybit_gateway.py
+++ b/vnpy/gateway/bybit/bybit_gateway.py
@@ -547,6 +547,9 @@ class BybitRestApi(RestClient):
                     )
                     buf.append(bar)
 
+                if not buf:
+                    continue
+
                 history.extend(buf)
 
                 begin = buf[0].datetime