Traceback (most recent call last):
  File "build/ninja_main.py", line 538, in <module>
    main(sys.argv)
  File "build/ninja_main.py", line 437, in main
    mycpp_subgraph.NinjaGraph(ru)
  File "/home/uke/oil/mycpp/NINJA_subgraph.py", line 289, in NinjaGraph
    MycppExamples(ru, ph)
  File "/home/uke/oil/mycpp/NINJA_subgraph.py", line 305, in MycppExamples
    with open('_build/NINJA/mycpp.examples.parse/translate.txt') as f:
IOError: [Errno 2] No such file or directory: '_build/NINJA/mycpp.examples.parse/translate.txt'