test: avoid KeyError in newer pandas (#133)

tswast · web-flow · commit 71a01b92d94e · 2022-05-20T16:32:33.000-05:00
diff --git a/tests/system/test_client.py b/tests/system/test_client.py
@@ -721,7 +721,6 @@ def test_boolean_casting(alltypes):
     count = result["count"]
     assert count.at[False] == 5840
     assert count.at[True] == 730
-    assert count.at[None] == 730
 
 
 def test_approx_median(alltypes):
