text: from django import forms
  from django.forms.models import inlineformset_factory
  
  from .ActivitySubmissionCommentForm import ActivitySubmissionCommentForm
  from .ActivitySubmissionDevelopmentForm import ActivitySubmissionDevelopmentForm
  from .ActivitySubmissionFilterPackForm import ActivitySubmissionFilterPackForm
  from .ActivitySubmissionGpsForm import ActivitySubmissionGpsForm
  from .ActivitySubmissionLocationForm import ActivitySubmissionLocationForm
  from .ActivitySubmissionScreenIntakeForm import ActivitySubmissionScreenIntakeForm
  from .ActivitySubmissionSurfaceSealForm import ActivitySubmissionSurfaceSealForm
  from .ActivitySubmissionTypeAndClassForm import ActivitySubmissionTypeAndClassForm
  from .ActivitySubmissionWaterQualityForm import ActivitySubmissionWaterQualityForm
  from .CasingForm import CasingForm
  from .LinerPerforationForm import LinerPerforationForm
  from .LithologyForm import LithologyForm
  from .ProductionDataForm import ProductionDataForm
  from .ScreenForm import ScreenForm
  from .SearchForm import SearchForm
  from .WellCompletionForm import WellCompletionForm
  from .WellOwnerForm import WellOwnerForm
  
  from wells.models import ActivitySubmission, LithologyDescription, Casing, LinerPerforation, Screen,\
      ProductionData
  
  
  ActivitySubmissionLithologyFormSet = inlineformset_factory(
      ActivitySubmission, LithologyDescription, form=LithologyForm, fk_name='activity_submission',
      can_delete=False, extra=10)
  ActivitySubmissionCasingFormSet = inlineformset_factory(
      ActivitySubmission, Casing, form=CasingForm, fk_name='activity_submission', can_delete=False, extra=5)
  ActivitySubmissionLinerPerforationFormSet = inlineformset_factory(
      ActivitySubmission, LinerPerforation, form=LinerPerforationForm, fk_name='activity_submission',
      can_delete=False, extra=5)
  ActivitySubmissionScreenFormSet = inlineformset_factory(
      ActivitySubmission, Screen, form=ScreenForm, fk_name='activity_submission', can_delete=False, extra=5)
  ProductionDataFormSet = inlineformset_factory(
      ActivitySubmission, ProductionData, form=ProductionDataForm, fk_name='activity_submission',
      can_delete=True, min_num=1, max_num=1)
  