fixed map view if no coordinates bug

rowers/views.py

@@ -6439,6 +6439,10 @@ def workout_map_view(request,id=0):
         mapscript,mapdiv = leaflet_chart2(rowdata.df[' latitude'],
                                          rowdata.df[' longitude'],
                                          row.name)
+    else:
+        mapscript = ""
+        mapdiv = ""
+        
     mayedit=0
     if not request.user.is_anonymous():
 	r = getrower(request.user)