text: import django
  from django.forms import *  # NOQA
  from material.base import LayoutMixin as ViewformLayoutMixin
  
  
  class SourceCodeMixin(object):
      def source(self):
          import inspect
          import itertools
  
          lines = inspect.getsourcelines(self.__class__)[0]
          lines = [x for x in itertools.takewhile(lambda x: not x.strip().startswith('template'), lines)]
          return ''.join(lines)
  
  
  class Form(SourceCodeMixin, django.forms.Form):
      pass
  
  
  class LayoutMixin(SourceCodeMixin, ViewformLayoutMixin):
      pass
  