including fields from one form to another form

fieldme.py

class someForm(ModelForm):
    class Meta:
        model = someModel


class AnotherForm(forms.Form):
    def __init__(self, *args, **kwargs):
        super(AnotherForm, self).__init__(*args, **kwargs)
        
        for name, field in someForm().fields.iteritems():
            self.fields[name] = field