flake8

sohstationviewer/view/plotting/plotting_widget/plotting_widget.py

 """
 Class of which object is used to plot data
 """
-from typing import List
-from PySide2.QtCore import QTimer
-from typing import Optional
+from typing import List, Optional
 
 import matplotlib.text
-import numpy as np
 from PySide2.QtCore import QTimer, Qt
 from matplotlib import pyplot as pl
 from PySide2 import QtCore, QtWidgets