1 files changed, 4 insertions, 1 deletions
diff --git a/Lib/random.py b/Lib/random.py
index f94616e..22dcb4d 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -366,7 +366,10 @@ class Random(_random.Random):
 
     def choice(self, seq):
         """Choose a random element from a non-empty sequence."""
-        if not seq:
+
+        # As an accommodation for NumPy, we don't use "if not seq"
+        # because bool(numpy.array()) raises a ValueError.
+        if not len(seq):
             raise IndexError('Cannot choose from an empty sequence')
         return seq[self._randbelow(len(seq))]