correction for None notes everywhere

rowers/views.py

@@ -1266,9 +1266,13 @@ def workout_strava_upload_view(request,id=0):
 	        tcxfile,tcxmessg = stravastuff.createstravaworkoutdata(w)
                 if tcxfile:
 		    with open(tcxfile,'rb') as f:
+                        try:
+                            newnotes = w.notes+'\n from '+w.workoutsource+' via rowsandall.com'
+                        except TypeError:
+                            newnotes = 'from '+w.workoutsource+' via rowsandall.com'
 		        res,mes = stravastuff.handle_stravaexport(f,w.name,
 							      r.stravatoken,
-							      description=w.notes+'\n from '+w.workoutsource+' via rowsandall.com')
+							          description=newnotes)
                         if res==0:
                             messages.error(request,mes)
 		            w.uploadedtostrava = -1