From 279a3ca7bce7be138f1aec6b041c8a8ade2f1b2f Mon Sep 17 00:00:00 2001
From: limin <weeeest@qq.com>
Date: Wed, 18 Dec 2019 19:50:25 +0800
Subject: [PATCH] =?UTF-8?q?api:=20=E4=BF=AE=E6=94=B9=E5=AF=B9=20numpy=20?=
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如 numpy.int 是 numpy.integer 下的子类型， 不能覆盖到与它在同一个类型层次中的类型.因此若要判断是否是整型，应使用 integer

close #180
---
 tqsdk/api.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tqsdk/api.py b/tqsdk/api.py
index b06029c9..0e678736 100644
--- a/tqsdk/api.py
+++ b/tqsdk/api.py
@@ -1230,13 +1230,13 @@ def _update_serial_single(self, serial):
                 array[0:serial["width"] - shift] = array[shift:serial["width"]]
                 for ext in serial["extra_array"].values():
                     ext[0:serial["width"] - shift] = ext[shift:serial["width"]]
-                    if ext.dtype == np.float:
+                    if np.issubdtype(ext.dtype, np.floating):
                         ext[serial["width"] - shift:] = np.nan
-                    elif ext.dtype == np.object:
+                    elif np.issubdtype(ext.dtype, np.object_):
                         ext[serial["width"] - shift:] = None
-                    elif ext.dtype == np.int:
+                    elif np.issubdtype(ext.dtype, np.integer):
                         ext[serial["width"] - shift:] = 0
-                    elif ext.dtype == np.bool:
+                    elif np.issubdtype(ext.dtype, np.bool_):
                         ext[serial["width"] - shift:] = False
                     else:
                         ext[serial["width"] - shift:] = np.nan