[Python] if statement in Django template not working

I can't find out why this is not working. It always goes to {% else %} block. The text in machine_model is something like "Lidl - Food Market" or "Kaufland - Buy Here" or something other without those two words.

models.py

from django.db import models
from django.utils import timezone
from django.contrib.auth.models import User
from django import forms
from django.urls import reverse


class MyName(models.Model):
name = models.CharField(max_length=50, unique=True)

def __str__(self):
return self.name

class MyModel(models.Model):
name = models.CharField(max_length=50, unique=True)

def __str__(self):
return self.name

class MySide(models.Model):
name = models.CharField(max_length=50, unique=True)


class MyMachine(models.Model):
date_delivery = models.DateTimeField(null=True)
machine_name = models.ForeignKey(MyName, on_delete=models.PROTECT)
machine_model = models.ForeignKey(MyModel, on_delete=models.PROTECT)
machine_serial = models.CharField(max_length=15, default='0')
use_side = models.ForeignKey(MySide, on_delete=models.PROTECT)


views.py

from django.views.generic import ListView
from .models import MyMachine

class MyMachineListView(ListView):
model = MyMachine
template_name = 'site/home.html'
context_object_name = 'machines'
ordering = ['date_delivery']

def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
site_title = 'Home'
context["site_title"] = site_title
return context


home.html

{% extends "site/base.html" %}
{% load static %}
{% block content %}
{% for machine in machines %}
<article class="media content-section">
<div class="media-body">
<div class="article-metadata">
<small class="text-muted">{{ machine.date_delivery|date:"d.F Y" }}
</small>
</div>
<h2><a class="article-title" href="">{{ machine.machine_name }} - {{ machine.machine_serial }}</a></h2>

{% if 'Lidl' in machines.machine_model %}
<p class="article-content">{{ machine.use_side }} - Lidl</p>
{% elif 'Kaufland' in machines.machine_model %}
<p class="article-content">{{ machine.use_side }} - Kaufland</p>
{% else %}
<p class="article-content">{{ machine.use_side }} - {{ machine.machine_model}}</p>
{% endif %}

</div>
</article>
{% endfor %}
{% endblock content %}


everything else is working fine. Thank You in advance!

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