the pgAdmin4 save null value

Question

I want to save the data of the textfiled that take the location name and other filed from the html and save it in pgadmin4 by using the def in my view when I enter the value in html it is add but it shows me null in pgAdmin

this is my view

def location(request):
    if request.method == 'POST':
        form = request.POST
        location_id = form.get(' location_id')
        location_name = form.get('location_name')
        location_address = form.get('location_address')
        lat = form.get('lat')
        lag_y = form.get('lag_y')
        user_id = request.session['user_id']

        print(form)

        data_insert = MapModel.objects.create(location_id=location_id,
                                              location_name=location_name,
                                              location_address=location_address,
                                              lat_x=lat,
                                              lag_y=lag_y,)

        if data_insert:
            json_data = {'msg': " data added succssfully",
                         'id': data_insert.location_id
                         }
            return JsonResponse(json_data)
        else:
            json_data = {'msg': " try agine",
                         'id': '',
                         }
            return JsonResponse(json_data)
    else:
        return render(request, 'new_file.html')