fix the order in the quals tuples

Author: basnijholt

adaptive/learner/learner1D.py

@@ -288,9 +288,8 @@ def xs(x, n):
 
             # Calculate how many points belong to each interval.
             x_scale = self._scale[0]
-            qualities = [(-loss if not math.isinf(loss) else (x0 - x1) / x_scale, (x0, x1))
-                         for ((x0, x1), loss) in self.losses_combined.items()]
-            quals = [(loss, x_range, 1) for (x_range, loss) in qualities]
+            quals = [(-loss if not math.isinf(loss) else (x0 - x1) / x_scale, (x0, x1), 1)
+                     for ((x0, x1), loss) in self.losses_combined.items()]
 
             heapq.heapify(quals)