class_docstr: docstring
class_docstr_tok: ["docstring"]
code: def unify(self, other):
      domain = self.domain.unify(other.domain)
      return self.to_domain(domain), other.to_domain(domain)
  
imports: from ..constructor import construct_domain
  from sympy.polys.domains import Domain, ZZ
label_desc: Use image node_id 8 for calling the DomainScalar obj's underlying member method code with example usage: obj.unify(other) and returns: self,  other