anchor.diff:              "--test-list=$deflakeListPath",
             ])
             ..addAll(options.rest);
  -        await runProcessInheritStdio("tools/test.py", deflakeArguments);
  +        await runProcessInheritStdio(
  +            "python", ["tools/test.py"]..addAll(deflakeArguments),
  +            runInShell: Platform.isWindows);
           deflakingResultsPaths.add("${deflakeDirectory.path}/results.json");
         }
         // Update the flakiness information based on what we've learned.
  
positive.code:     return commit;
    }
    final arguments = ["merge-base", "$remote/$branch", "HEAD"];
    final result = await Process.run("git", arguments);
    if (result.exitCode != 0) {
      throw new Exception("Failed to run: git ${arguments.join(' ')}\n"
          "stdout:\n${result.stdout}\n"
  
negative.code: /// Runs a process and exits likewise if the process exits non-zero, but let the
  /// child process inherit out stdio handles.
  Future<ProcessResult> runProcessInheritStdio(
      String executable, List<String> arguments,
      {bool runInShell = false}) async {
    final process = await Process.start(executable, arguments,
        mode: ProcessStartMode.inheritStdio, runInShell: runInShell);
    final exitCode = await process.exitCode;
    final processResult = new ProcessResult(process.pid, exitCode, "", "");
    if (processResult.exitCode != 0) {
  