edit view should be a bit faster

rowers/views/workoutviews.py

@@ -2358,7 +2358,7 @@ def instroke_chart(request,id=0,metric=''):
             height = 600
 
         imgs = GraphImage.objects.filter(workout=w)
-        if len(imgs) < 7:
+        if imgs.count() < 7:
             i = GraphImage(workout=w,
                            creationdatetime=timezone.now(),
                            filename=fullpathimagename,
@@ -3505,16 +3505,8 @@ def workout_edit_view(request,id=0,message="",successmessage=""):
                 dataprep.runcpupdate(row.user,type=row.workouttype)
 
             messages.info(request,successmessage)
-            url = reverse('workout_edit_view',
-                          kwargs = {
-                              'id':encoder.encode_hex(row.id),
-                          })
-            response = HttpResponseRedirect(url)
-
-    #else: # form not POSTed
-    form = WorkoutForm(instance=row)
-
-    row = get_workout(id)
+    else:
+        form = WorkoutForm(instance=row)
 
     g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
     for i in g:
@@ -3706,7 +3698,7 @@ def workout_uploadimage_view(request,id):
     images = GraphImage.objects.filter(workout=w)
 
 
-    if len(images) >= 6:
+    if images.count() >= 6:
         message = "You have reached the maximum number of static images for this workout"
         messages.error(request,message)
         url = reverse(r.defaultlandingpage,