Dropdown are not working in Django , HTML - html

Question

I am trying to display data from database throw drop-down list and Use filter query to filter data and display
if i tried to select value of html and select but slot is not create. Debugging form and i see error. If i select anything but drop-down do't selected here is error
Here is my code: slot/views.py
def slot_create(request):
form = SlotForm(request.POST)
print(form)
station = Station.objects.filter(user_id=request.user)
print(station)
if form.is_valid():
slot = form.save(commit=False)
slot.user = request.user
slot.save()
messages.success(request, 'Your Slot is add successfully')
return redirect('view_slot')
return render(request, 'add_slot.html', {
'form': form,
'station': station
})
here is my add_slot.html
<form method="post" novalidate>
{% csrf_token %}
<div class="form-row">
<div class="form-group col-md-12 mb-0">
{{ form.slot_name|as_crispy_field }}
</div>
<div class="form-group col-md-12 mb-0">
{{ form.per_unit_price|as_crispy_field }}
</div>
<div class="form-group col-md-6 mb-0">
{{ form.current_status|as_crispy_field }}
</div>
{% comment %} <div class="form-group col-md-6 mb-0">
{{ form.station|as_crispy_field }}
</div> {% endcomment %}
<div class="form-group col-md-6 mb-0">
<label for="station" class="block font-semibold text-sm mb-1"> Choose Station </label>
<select name="station_name" id = "station">
{% for station in station %}
<option value="{{station}}"> {{station}} </option>
{% endfor %}
</select>
</div>
<button type="submit" class="w-full rounded-full bg-red-gradient p-3 text-white font-bold hover:ring">
Add Slot
</button>
</div>
</form>