python format fix

Author: Mizux

cmake/samples/python/sample.py

@@ -15,10 +15,8 @@
 """Sample to test or-tools installation."""
 
 import ortools
-
 # from ortools.algorithms import knapsack_solver
 from ortools.constraint_solver import pywrapcp
-
 # from ortools.graph.python import linear_sum_assignment
 # from ortools.graph.python import max_flow
 # from ortools.graph.python import min_cost_flow

ortools/algorithms/python/knapsack_solver_test.py

@@ -15,6 +15,7 @@
 """knapsack_solver unittest file."""
 
 from absl.testing import absltest
+
 from ortools.algorithms.python import knapsack_solver
 
 

ortools/algorithms/samples/knapsack.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 """A simple knapsack problem."""
+
 # [START program]
 # [START import]
 from ortools.algorithms.python import knapsack_solver

ortools/algorithms/samples/simple_knapsack_program.py

@@ -14,6 +14,7 @@
 
 # [START program]
 """A simple knapsack problem."""
+
 # [START import]
 from ortools.algorithms.python import knapsack_solver
 

ortools/constraint_solver/python/constraint_solver_extension_test.py

@@ -17,8 +17,8 @@
 import sys
 
 from absl.testing import absltest
-from ortools.constraint_solver import search_limit_pb2
-from ortools.constraint_solver import solver_parameters_pb2
+
+from ortools.constraint_solver import search_limit_pb2, solver_parameters_pb2
 from ortools.constraint_solver.python import constraint_solver as cp
 
 

ortools/constraint_solver/python/constraint_solver_test.py

@@ -15,6 +15,7 @@
 """Test for constraint_solver pybind11 layer."""
 
 from absl.testing import absltest
+
 from ortools.constraint_solver.python import constraint_solver as cp
 from ortools.util.python import piecewise_linear_function as pwl
 

ortools/constraint_solver/python/pywrapcp_test.py

@@ -17,9 +17,9 @@
 import sys
 
 from absl.testing import absltest
-from ortools.constraint_solver import search_limit_pb2
-from ortools.constraint_solver import solver_parameters_pb2
-from ortools.constraint_solver import pywrapcp
+
+from ortools.constraint_solver import (pywrapcp, search_limit_pb2,
+                                       solver_parameters_pb2)
 
 
 def inc_callback(i):

ortools/constraint_solver/samples/cp_is_fun_cp.py

@@ -20,6 +20,7 @@
 
 This problem has 72 different solutions in base 10.
 """
+
 # [START import]
 from ortools.constraint_solver.python import constraint_solver as cp
 

ortools/constraint_solver/samples/nqueens_cp.py

@@ -14,8 +14,10 @@
 
 # [START program]
 """OR-Tools solution to the N-queens problem."""
+
 # [START import]
 import sys
+
 from ortools.constraint_solver.python import constraint_solver as cp
 
 # [END import]

ortools/graph/samples/assignment_linear_sum_assignment.py

@@ -14,6 +14,7 @@
 
 # [START program]
 """Solve assignment problem using linear assignment solver."""
+
 # [START import]
 import numpy as np