Added self.clear_layers()

pages/burn_mapping.py

@@ -71,7 +71,9 @@ class Map(geemap.Map):
                 dNBR = preNBR.subtract(postNBR).select('NBR')
                 dNBRclipped = dNBR.clip(bbox)
                 return dNBRclipped
-             
+            
+        self.clear_layers()
+        
         if fire == "North Complex": 
             north_complex = calc_nbr(north_startDate.advance(-7, 'day'), north_startDate, north_startDate.advance(elapDayNum, 'day'), north_startDate.advance(elapDay_plusOne,'day'), north_complex_bb) 
             self.addLayer(north_complex, dNBRvisParams, 'North Complex GOES NBR', True)