code: def _validate_data(self, _, value):
      if value.ndim != 2:
          raise ValueError("Expected series data to be 2D numpy array")
  
      if value.shape[1] != 2:
          raise ValueError("Expected series data to have 2 columns")
  
imports: import json
  import numpy
  from ..errors import UsageError
  from ..utilities.dicts import merge_dicts
  from attr import attrs, attrib
label_desc: Use image node_id 1 for calling the SeriesInfo obj's underlying member method code with example usage: obj._validate_data(_, value) without return types