diff --git a/ortools/constraint_solver/samples/simple_cp_program.py b/ortools/constraint_solver/samples/simple_cp_program.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/simple_routing_program.py b/ortools/constraint_solver/samples/simple_routing_program.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/tsp_circuit_board.py b/ortools/constraint_solver/samples/tsp_circuit_board.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/tsp_cities.py b/ortools/constraint_solver/samples/tsp_cities.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/tsp_distance_matrix.py b/ortools/constraint_solver/samples/tsp_distance_matrix.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrp_drop_nodes.py b/ortools/constraint_solver/samples/vrp_drop_nodes.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrp_initial_routes.py b/ortools/constraint_solver/samples/vrp_initial_routes.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrp_resources.py b/ortools/constraint_solver/samples/vrp_resources.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrp_starts_ends.py b/ortools/constraint_solver/samples/vrp_starts_ends.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrp_with_time_limit.py b/ortools/constraint_solver/samples/vrp_with_time_limit.py old mode 100644 new mode 100755 diff --git a/ortools/constraint_solver/samples/vrptw_store_solution_data.py b/ortools/constraint_solver/samples/vrptw_store_solution_data.py old mode 100644 new mode 100755