message: Add a small helper which is useful for quicker debugging.
diff: @@ -44,6 +44,12 @@ class Base(gast.NodeTransformer):
  self._col_offset = 0
  self.context = context
  + def debug_print(self, node):
  + """Helper method useful for debugging."""
  + if __debug__:
  + print(pretty_printer.fmt(node))
  + return node
  +
  def visit(self, node):
  source_code = self.context.source_code
  source_file = self.context.source_file
  