From 585dedb314057e9712f871b8d689e7904bf71669 Mon Sep 17 00:00:00 2001
From: "vn.py" <xiaoyou.chen@foxmail.com>
Date: Fri, 19 Jul 2019 15:12:42 +0800
Subject: [PATCH] [Fix] type hinting typo

---
 vnpy/chart/widget.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vnpy/chart/widget.py b/vnpy/chart/widget.py
index 17f957ce..bf6455fe 100644
--- a/vnpy/chart/widget.py
+++ b/vnpy/chart/widget.py
@@ -27,9 +27,9 @@ class ChartWidget(pg.PlotWidget):
 
         self._manager: BarManager = BarManager()
 
-        self._plots: Dict[str, pg.GraphicsObject] = {}
+        self._plots: Dict[str, pg.PlotItem] = {}
         self._items: Dict[str, ChartItem] = {}
-        self._item_plot_map: Dict[ChartItem, pg.GraphicsObject] = {}
+        self._item_plot_map: Dict[ChartItem, pg.PlotItem] = {}
 
         self._first_plot: pg.PlotItem = None
         self._cursor: ChartCursor = None