old_contents: from django import forms
  from django.forms.models import ModelForm
  from installer_config.models import EnvironmentProfile, Package, TerminalPrompt
   
  
  class EnvironmentForm(ModelForm):
      packages = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
                                                queryset=Package.objects.all())
  
      class Meta:
          model = EnvironmentProfile
          exclude = ('user',)
  
new_contents: from django import forms
  from django.forms.models import ModelForm
  from installer_config.models import EnvironmentProfile, UserChoice
   
  
  class EnvironmentForm(ModelForm):
      packages = forms.ModelMultipleChoiceField(widget=forms.CheckboxSelectMultiple,
                                                queryset=UserChoice.objects.all())
  
      class Meta:
          model = EnvironmentProfile
          exclude = ('user',)
  
subject: Fix form to query UserChoices, not Packages