Update app.py

app.py

@@ -50,11 +50,13 @@ def aggregate(wins: npt.NDArray[np.int64], ties: npt.NDArray[np.int64],
         iterations += 1
 
         v_numerator = np.sum(
-            ties * (pi[:, None] + pi) / (pi[:, None] + pi + 2 * v * np.sqrt(pi[:, None] * pi))
+            ties * (pi[:, np.newaxis] + pi) /
+            (pi[:, np.newaxis] + pi + 2 * v * np.sqrt(pi[:, np.newaxis] * pi))
         ) / 2
 
         v_denominator = np.sum(
-            wins * 2 * np.sqrt(pi[:, None] * pi) / (pi[:, None] + pi + 2 * v * np.sqrt(pi[:, None] * pi))
+            wins * 2 * np.sqrt(pi[:, np.newaxis] * pi) /
+            (pi[:, np.newaxis] + pi + 2 * v * np.sqrt(pi[:, np.newaxis] * pi))
         )
 
         v = v_numerator / v_denominator