code: def breakable(self, sep=" "):
      self._out.write(sep)
  
imports: import sys
  import numpy
  import six
  from six.moves import cStringIO
  from .compat import optional_dep_ok
label_desc: Use image node_id 3 for calling the _MiniPPrinter obj's underlying member method code with example usage: obj.breakable(sep) without return types