From 4b901f6d73aa02ceb6d04b7d83502e5c6f2e81aa Mon Sep 17 00:00:00 2001
From: Ildhesten <noneofyour@business.com>
Date: Fri, 28 Feb 2020 18:30:19 +0100
Subject: [PATCH] Fixed test_drawdown_overlaps, by now testing properly for
 NaT.

---
 pyfolio/tests/test_timeseries.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyfolio/tests/test_timeseries.py b/pyfolio/tests/test_timeseries.py
index 8221c45d..17327bab 100644
--- a/pyfolio/tests/test_timeseries.py
+++ b/pyfolio/tests/test_timeseries.py
@@ -182,7 +182,7 @@ def test_drawdown_overlaps(self):
                          spy_drawdowns['Peak date'].shift(-1)))[:-1]
         self.assertGreater(len(pairs), 0)
         for recovery, peak in pairs:
-            if recovery != pd.NaT:
+            if not pd.isnull(recovery):
                 self.assertLessEqual(recovery, peak)
 
     @parameterized.expand([