def GetFunction(self):
    if self._function_stack:
      return self._function_stack[-1]
Return the .sconsign file info for this directory,
dataset/ETHPy150Open google/closure-linter/closure_linter/statetracker.py/StateTracker.GetFunction--crossover with--dataset/ETHPy150Open kayhayen/Nuitka/nuitka/build/inline_copy/lib/scons-2.3.2/SCons/Node/FS.py/Dir.sconsign