Update equality_constraint_projection_test.py

Author: SamKChang

src/openfermion/measurements/equality_constraint_projection_test.py

@@ -13,8 +13,8 @@
 import os
 import unittest
 import numpy
-import openfermion
 
+from openfermion.ops.operators import FermionOperator
 from openfermion.chem import MolecularData
 from openfermion.config import DATA_DIRECTORY
 from openfermion.transforms.opconversions import get_fermion_operator
@@ -61,9 +61,9 @@ def test_linearize_term(self):
             past_terms.add(index)
 
     def test_error_with_non_physical_term(self):
-        non_physical_operator = openfermion.FermionOperator((0, 1))
+        non_physical_operator = FermionOperator((0, 1))
         with self.assertRaises(ValueError):
-            linearize_term(non_physical_operator, self.n_orbitals)
+            linearize_term(non_physical_operator.terms, self.n_orbitals)
 
     def test_unlinearize_term_consistency(self):
         for term, _ in self.fermion_hamiltonian.terms.items():