fix removal of plot artists: Axes.lines/collections are read-only ArtistLists since matplotlib 3.5

src/damaris/gui/DamarisGUI.py

@@ -3701,7 +3701,7 @@ class MonitorWidgets:
             self.measurementresultline = None
         elif self.measurementresultline is not None:
             # clear line plot
-            self.matplot_axes.lines.remove( self.measurementresultline[ 0 ] )
+            self.measurementresultline[ 0 ].remove( )
             self.measurementresultline = None
         if hasattr(self, 'matplot_cursor') and self.matplot_cursor is not None:
             self.matplot_cursor.disconnect_events()
@@ -3947,17 +3947,17 @@ class MonitorWidgets:
 
             # remove lines and error bars
             if self.measurementresultgraph is not None:
-                self.matplot_axes.lines.remove( self.measurementresultgraph[ 0 ] )
+                self.measurementresultgraph[ 0 ].remove( )
                 # remove caps
                 for l in self.measurementresultgraph[ 1 ]:
-                    self.matplot_axes.lines.remove( l )
+                    l.remove( )
                 # and columns
                 for l in self.measurementresultgraph[ 2 ]:
-                    self.matplot_axes.collections.remove( l )
+                    l.remove( )
                 self.measurementresultgraph = None
 
                 if self.measurementresultline is not None:
-                    self.matplot_axes.lines.remove( self.measurementresultline[ 0 ] )
+                    self.measurementresultline[ 0 ].remove( )
                     self.measurementresultline = None
 
             [ k, v, e ] = in_result.get_errorplotdata( )