TST: fix a test giving different results on amd64 vs arm64

Author: brian-from-quantrocket

pyfolio/tests/test_timeseries.py

@@ -264,12 +264,12 @@ class TestStats(TestCase):
     dt_2 = pd.date_range('2000-1-3', periods=8, freq='D')
 
     @parameterized.expand([
-        (simple_rets[:5], 2, [np.nan, np.inf, np.inf, 11.224972160321, 0])
+        (simple_rets[:5], 2, [0, np.inf, np.inf, 11.224972160321, 0])
     ])
     def test_sharpe_2(self, returns, rolling_sharpe_window, expected):
         np.testing.assert_array_almost_equal(
             timeseries.rolling_sharpe(returns,
-                                      rolling_sharpe_window).values,
+                                      rolling_sharpe_window).fillna(0).values,
             np.asarray(expected))
 
     @parameterized.expand([