Sort import lists

Author: mhucka

src/openfermion/ops/operators/fermion_operator_test.py

@@ -12,8 +12,8 @@
 
 """Tests fermion_operator.py."""
 
-import unittest
 import sympy
+import unittest
 
 from openfermion.ops.operators.fermion_operator import FermionOperator
 from openfermion.hamiltonians import number_operator

src/openfermion/ops/operators/symbolic_operator_test.py

@@ -9,13 +9,15 @@
 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #   See the License for the specific language governing permissions and
 #   limitations under the License.
+
 """Tests  symbolic_operator.py."""
+
 import copy
+import numpy
+import sympy
 import unittest
 import warnings
 
-import numpy
-import sympy
 from openfermion.config import EQ_TOLERANCE
 from openfermion.testing.testing_utils import EqualsTester