text: from emannotationschemas.schemas.base import BoundSpatialPoint, AnnotationSchema
  import marshmallow as mm
  
  
  class GliaContact(AnnotationSchema):
      glia_pt = mm.fields.Nested(BoundSpatialPoint, required=True,
                                description="Glia-side point near a glia-object contact",
                                order=0)
      object_pt = mm.fields.Nested(BoundSpatialPoint, required=True,
                                 description="Object-side point near a glia-object contact",
                                 order=2)
      size = mm.fields.Float(description="size of contact", required=False)
  
  
  