gistfile1.py

class PaperEmailInput(EmailInput):
    def render(self, name, value, attrs=None):
        if value is None:
            html = """<paper-input-decorator label='{0}' floatingLabel autoValidate>
            <input is="core-input" name="{1}" type="email">
            </paper-input-decorator>"""
            if 'label' in attrs:
                print "Hello"
                return format_html(html, attrs['label'], name)
            else:
                print attrs
                return format_html(html, name, name)
        else:
            html = """<paper-input-decorator label='{0}' floatingLabel autoValidate>
            <input is="core-input" name="{0}" value="{1}" type="email">
            </paper-input-decorator>"""
            return format_html(html, name, value)

gistfile2.py

class iCloudForm(forms.ModelForm):
    class Meta:
        model = iCloudLogin
        fields = ['username', 'password']
        labels={'username': '',
                'password': '',}
        widgets = {
            'username': PaperEmailInput(attrs={'label': "iCloud Email"}),
            'password': PaperPasswordInput,
        }