#------------------------------------------------- 
# -------------------- mplwidget.py -------- 
# ------------------------------------------------------ 
from  PyQt5.QtWidgets  import *

from  matplotlib.backends.backend_qt5agg  import  FigureCanvas

from  matplotlib.figure  import  Figure

    
class MplWidget(QWidget):
    
    def  __init__(self, parent = None):

        QWidget.__init__(self, parent)
        
        self.canvas =  FigureCanvas(Figure())
        
        vertical_layout = QVBoxLayout() 
        vertical_layout.addWidget(self.canvas)
        
        self.canvas.axes = self.canvas.figure.add_subplot(111) 
        self.setLayout(vertical_layout)