Replace MatplotlibViewerCanvas with PyQtGraphViewerCanvas in PlotItem

Author: Giulero

robot_log_visualizer/ui/plot_item.py

@@ -6,15 +6,15 @@
 
 from robot_log_visualizer.ui.autogenerated.plot_tab import Ui_PlotTab
 from robot_log_visualizer.plotter.matplotlib_viewer_canvas import MatplotlibViewerCanvas
+from robot_log_visualizer.plotter.pyqtgraph_viewer_canvas import PyQtGraphViewerCanvas
 
 
 class PlotItem(QFrame):
     def __init__(self, signal_provider, period):
         super().__init__(None)
         self.ui = Ui_PlotTab()
         self.ui.setupUi(self)
-
-        self.canvas = MatplotlibViewerCanvas(
+        self.canvas = PyQtGraphViewerCanvas(
             parent=self, period=period, signal_provider=signal_provider
         )
         self.ui.plotLayout.addWidget(self.canvas)