From 04b11ddd6bdbc2c07aa297ffe947de7e174bfe32 Mon Sep 17 00:00:00 2001
From: Mainak Jas <mainakjas@gmail.com>
Date: Thu, 1 Apr 2021 18:59:06 -0400
Subject: [PATCH] Flake8

---
 hnn/qt_psd.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hnn/qt_psd.py b/hnn/qt_psd.py
index d27f7fb2..83622e98 100644
--- a/hnn/qt_psd.py
+++ b/hnn/qt_psd.py
@@ -1,4 +1,5 @@
 import os
+import sys
 from math import sqrt
 from copy import deepcopy