Newbee here, the format might not be the best :S 


we found this error on depot_tools when trying to install PLV8

OS + version: Amazon Linux
CPU architecture (32-bit / 64-bit): 64 bits

v8/buildtools (ERROR)
----------------------------------------
[0:00:00] Started.
_____ v8/buildtools at adb8bf4e8fc92aa1717bf151b862d58e6f27c4f2
----------------------------------------
Traceback (most recent call last):
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 2295, in <module>
    sys.exit(main(sys.argv[1:]))
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 2281, in main
    return dispatcher.execute(OptionParser(), argv)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/subcommand.py", line 252, in execute
    return command(parser, args[1:])
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 2030, in CMDsync
    ret = client.RunOnDeps('update', args)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 1340, in RunOnDeps
    work_queue.flush(revision_overrides, command, args, options=self._options)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_utils.py", line 1047, in run
    self.item.run(*self.args, **self.kwargs)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 766, in run
    self.ParseDepsFile()
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient.py", line 562, in ParseDepsFile
    gclient_eval.Check(deps_content, filepath, global_scope, local_scope)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_eval.py", line 236, in Check
    result_scope = _gclient_exec(content, global_scope, filename=path)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_eval.py", line 181, in _gclient_exec
    _visit_in_module(stmt)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_eval.py", line 165, in _visit_in_module
    value = _gclient_eval(node.value, global_scope, filename=filename)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_eval.py", line 142, in _gclient_eval
    return _convert(node_or_string)
  File "/media/ephemeral0/tmp2/plv8-2.0.3/build/depot_tools/gclient_eval.py", line 141, in _convert
    getattr(node, 'lineno', '<unknown>')))
ValueError: unexpected AST node: <_ast.Num object at 0x7ff9e45fa4d0> Num(n=1) (file '/media/ephemeral0/tmp2/plv8-2.0.3/build/v8/buildtools/DEPS', line 1)

We only know that commit 362bc168c49d9e7b1223d126f5e0a2436eaeb7f3 works perfectly and the current master (1101645d533f44d3fe650d1635fa4bbe2b6eb716) gives us this error.

We didn't investigate any further 

What steps will reproduce the problem?
(1) download plv8 and run make static