Run files through format-incremental

Author: mhucka

src/openfermion/linalg/sparse_tools.py

@@ -10,6 +10,7 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 """This module provides functions to interface with scipy.sparse."""
+
 import itertools
 from functools import reduce
 import warnings
@@ -119,7 +120,7 @@ def jordan_wigner_sparse(fermion_operator, n_qubits=None):
             # Extract triplets from sparse_term.
             sparse_matrix = sparse_matrix.tocoo(copy=False)
             values_list.append(sparse_matrix.data)
-            (row, column) = sparse_matrix.nonzero()
+            row, column = sparse_matrix.nonzero()
             row_list.append(row)
             column_list.append(column)
 
@@ -179,7 +180,7 @@ def qubit_operator_sparse(qubit_operator, n_qubits=None):
         # Extract triplets from sparse_term.
         sparse_matrix = kronecker_operators(sparse_operators)
         values_list.append(sparse_matrix.tocoo(copy=False).data)
-        (column, row) = sparse_matrix.nonzero()
+        column, row = sparse_matrix.nonzero()
         column_list.append(column)
         row_list.append(row)
 
@@ -1230,7 +1231,7 @@ def boson_operator_sparse(operator, trunc, hbar=1.0):
 
         # Extract triplets from sparse_term.
         values_list.append(term_operator.tocoo(copy=False).data)
-        (row, column) = term_operator.nonzero()
+        row, column = term_operator.nonzero()
         column_list.append(column)
         row_list.append(row)
 

src/openfermion/linalg/sparse_tools_test.py

@@ -10,6 +10,7 @@
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
 """Tests for sparse_tools.py."""
+
 import os
 
 import unittest