code: def expandInteractions(
      self, field_model: Mapping[str, FieldVariable]
  ) -> None:
      self.interaction_fields = self.atomicInteractions(
          self.interactions, field_model
      )
      for field in self.interaction_fields:
          if field_model[field].has_missing:
              self.has_missing = True
  
      self.categorical(field_model)
  
file_path: dedupe/dedupe/variables/interaction.py
imports: from __future__ import annotations
  import itertools
  from typing import Mapping
  from dedupe._typing import VariableDefinition
  from dedupe.variables.base import FieldType
  from dedupe.variables.base import Variable
label_desc: Use image node_id 2 for calling the InteractionType obj's underlying member method code with example usage: obj.expandInteractions(field_model) without return types