Remove dupuplicate workout query and only count workouts with cadence readings

app.py

@@ -55,12 +55,12 @@ def get_workouts():
     users = User.query.all()
     users_data = []
     for user in users:
-        workouts = Workout.query.filter_by(user_id=user.id).all()
+        workouts = get_workouts_for_user(user.id)
         user_data = {
             'id': user.id,
             'name': user.name,
             'workouts_count': len(workouts),
-            'workouts': get_workouts_for_user(user.id)
+            'workouts': workouts
         }
         users_data.append(user_data)
     return render_template('users_and_workouts.html', users=users_data)