def job_search(request):
    query_string = ''
    found_entries = Job.objects.none()
    extra_context = {'keywords': ' '}
    if ('keywords' in request.POST) and request.POST['keywords'].strip():
        request.session['keywords'] = request.POST['keywords']
        query_string = request.session['keywords']
        extra_context['keywords'] = query_string
        search_fields = ['title', 'description', 'category',
                             'jobtype', 'city', 'outside_location', 'company',]
        entry_query = get_query(query_string, search_fields)
        jobs_per_search = djobberbase_settings.DJOBBERBASE_JOBS_PER_SEARCH
        found_entries = Job.objects.filter(entry_query)\
                                     .order_by('-created_on')[:jobs_per_search]
        search = JobSearch(keywords=query_string)
        search.save()
    return object_list(request, queryset=found_entries,
                    extra_context=extra_context,
                    paginate_by=djobberbase_settings.DJOBBERBASE_JOBS_PER_PAGE)
Check that the estimator is initialized, raising an error if not.
dataset/ETHPy150Open wtrevino/django-djobberbase/djobberbase/views.py/job_search--crossover with--dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/ensemble/gradient_boosting.py/BaseGradientBoosting._check_initialized