old_contents: from crispy_forms.bootstrap import FormActions
  from crispy_forms.helper import FormHelper
  from crispy_forms.layout import Div, Field, Fieldset, HTML, Layout, Submit
  from django.utils.functional import cached_property
  from django.utils.translation import ugettext_lazy as _
  
  from analyses.forms import AbstractAnalysisCreateForm, AnalysisCommonLayout
  from .models import RNASeqModel
  
  
  class RNASeqCreateForm(AbstractAnalysisCreateForm):
  
      class Meta(AbstractAnalysisCreateForm.Meta):
          model = RNASeqModel
          fields = (
              *AbstractAnalysisCreateForm.Meta.fields,
              'quality_check', 'trim_adapter', 'rm_duplicate',
          )
          widgets = {
              **AbstractAnalysisCreateForm.Meta.widgets,
          }
  
      @cached_property
      def helper(self):
          helper = FormHelper()
          helper.layout = Layout(
              AnalysisCommonLayout(analysis_type="RNA-Seq"),
              Fieldset(
                  'Quality Check',
                  HTML(
                      "<p>Examine and process the quality of the sequencing "
                      "reads.</p>"
                  ),
                  Field('quality_check'),
                  Field('trim_adapter'),
                  Field('rm_duplicate'),
              ),
              FormActions(
                  Submit(
                      'save', _('Create New Analysis'), css_class='btn-lg',
                  )
              )
          )
          helper.include_media = False
          return helper
  
  
new_contents: from crispy_forms.helper import FormHelper
  from crispy_forms.bootstrap import InlineField
  from crispy_forms.layout import Div, Field, Fieldset, HTML, Layout
  from django.utils.functional import cached_property
  from django.utils.translation import ugettext_lazy as _
  
  from analyses.forms import (
      AbstractAnalysisCreateForm,
      AnalysisCommonLayout,
      AnalysisFormActions,
      Include,
  )
  from .models import RNASeqModel
  
  
  class RNASeqCreateForm(AbstractAnalysisCreateForm):
  
      class Meta(AbstractAnalysisCreateForm.Meta):
          model = RNASeqModel
          fields = '__all__'
          widgets = {
              **AbstractAnalysisCreateForm.Meta.widgets,
          }
  
      @cached_property
      def helper(self):
          helper = super().helper
          helper.layout = Layout(
              AnalysisCommonLayout(analysis_type="RNA-Seq"),
              Fieldset(
                  'Quality Check',
                  HTML(
                      "<p>Examine and process the quality of the sequencing "
                      "reads.</p>"
                  ),
                  Field('quality_check'),
                  Field('trim_adapter'),
                  Field('rm_duplicate'),
              ),
              AnalysisFormActions(),
          )
          return helper
  
  
subject: Use analysis base class form helper and form building blocks