Add shebanb to python routing sample

ortools/constraint_solver/samples/simple_cp_program.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/simple_routing_program.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/tsp.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/tsp_circuit_board.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/tsp_cities.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/tsp_distance_matrix.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_capacity.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_drop_nodes.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_initial_routes.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_pickup_delivery.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_pickup_delivery_fifo.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_pickup_delivery_lifo.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_resources.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_starts_ends.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrp_with_time_limit.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

ortools/constraint_solver/samples/vrptw_store_solution_data.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 # Copyright 2010-2021 Google LLC
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.