class_docstr: Object serving as a base class for all engines.
class_docstr_tok: ["Object","serving","as","a","base","class","for","all","engines","."]
code: def _is_aligned(self):
      return (
          self.aligned_axes is not None and self.result_type is not None
      )
  
imports: import abc
  from pandas.compat import map
  from pandas import compat
  from pandas.core.computation.align import _align, _reconstruct_object
  from pandas.core.computation.ops import UndefinedVariableError, _mathops, _reductions
  import pandas.io.formats.printing
label_desc: Use image node_id 4 for calling the AbstractEngine obj's underlying member method code with example usage: obj._is_aligned() and returns: unknown