message: Ensure all methods are implemented even for no-poplar
diff: @@ -4,3 +4,9 @@ def poplar_available():
  """Returns false because Poplar library was not configured
  """
  return False
  +
  +def poplar_lib_directory():
  + """Returns the full path to the Poplar libraries directory
  + """
  + return ""
  +
  