diff --git a/NOTICE b/NOTICE
index 893fa13a60..864c9e6d74 100644
--- a/NOTICE
+++ b/NOTICE
@@ -32,7 +32,7 @@ Li Chen (University of Illinois)
 Junhao Li (Cornell University)
 Vijay Gopal Chilkuri (LPCQ)
 Zhihao Cui (Caltech)
-Bogdanov
+Nikolay Bogdanov (Max Planck Institute)
 
 Developers who contribute debug/test code which are removed or not included in
 the source code
diff --git a/pyscf/mcscf/test/test_casci.py b/pyscf/mcscf/test/test_casci.py
index 20f91d9ade..3c5c105a11 100644
--- a/pyscf/mcscf/test/test_casci.py
+++ b/pyscf/mcscf/test/test_casci.py
@@ -93,7 +93,7 @@ def test_cas_natorb(self):
         s = numpy.einsum('pi,pq,qj->ij', mo0[:,5:9], msym.get_ovlp(), mo1[:,5:9])
         self.assertAlmostEqual(fci.addons.overlap(ci0, ci1, 4, 4, s), 1, 9)
 
-        self.assertAlmostEqual(abs(mo1-mo2).max(), 0, 9)
+        self.assertAlmostEqual(float(abs(mo1-mo2).max()), 0, 9)
         self.assertAlmostEqual(ci1.ravel().dot(ci2.ravel()), 1, 9)
 
     def test_multi_roots(self):