diff --git a/README.md b/README.md
index 661751478e16d8953852ca723a1e78eef39b358d..dc508c8d230acb0dc018d97d7779c96a3a78d287 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # Django LDP example
 
+# Dependencies 
+This component must be used with another one. By default solid polls is used with solid-circles. 
+To use it by default run pip3 install djangoldp_circles. 
+To change the component it is combined with edit lines xxx and xxx of the models.py file
+
+
 ## Step by step quickstart
 
 1. Installation
diff --git a/djangoldp_polls/migrations/0001_initial.py b/djangoldp_polls/migrations/0001_initial.py
index 363537ce753fc610aced92cfbcf34cd7671616db..c1b627356d5fe96f1973bb41645329a256cbde93 100644
--- a/djangoldp_polls/migrations/0001_initial.py
+++ b/djangoldp_polls/migrations/0001_initial.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.11.26 on 2020-05-25 00:56
+# Generated by Django 1.11.29 on 2020-08-06 02:35
 from __future__ import unicode_literals
 
 from django.conf import settings
@@ -13,6 +13,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
+        ('djangoldp_conversation', '0006_auto_20200617_1309'),
         migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
@@ -22,14 +23,18 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('urlid', djangoldp.fields.LDPUrlField(blank=True, null=True, unique=True)),
+                ('is_backlink', models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink')),
+                ('allow_create_backlink', models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save')),
                 ('created_at', models.DateTimeField(auto_now_add=True)),
                 ('title', models.CharField(max_length=250, verbose_name='Title')),
                 ('image', models.URLField(blank=True, null=True, verbose_name="Illustration de l'évènement")),
                 ('hostingOrganisation', models.CharField(max_length=250, verbose_name='Name of the hosting organisation')),
+                ('startDate', models.DateField(blank=True, null=True, verbose_name='Date de début')),
                 ('endDate', models.DateField(verbose_name='Date de fin')),
                 ('shortDescription', models.CharField(max_length=250, verbose_name='Short description')),
                 ('longDescription', models.TextField(verbose_name='Long description')),
                 ('author', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='createdVotes', to=settings.AUTH_USER_MODEL)),
+                ('debate', models.ManyToManyField(blank=True, related_name='debates', to='djangoldp_conversation.Conversation')),
             ],
         ),
         migrations.CreateModel(
@@ -37,6 +42,8 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('urlid', djangoldp.fields.LDPUrlField(blank=True, null=True, unique=True)),
+                ('is_backlink', models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink')),
+                ('allow_create_backlink', models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save')),
                 ('name', models.CharField(max_length=250, verbose_name='Options available for a vote')),
             ],
         ),
@@ -45,7 +52,9 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('urlid', djangoldp.fields.LDPUrlField(blank=True, null=True, unique=True)),
-                ('name', models.CharField(max_length=250, verbose_name='Tags related to the vote')),
+                ('is_backlink', models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink')),
+                ('allow_create_backlink', models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save')),
+                ('name', models.CharField(max_length=250, verbose_name='Name')),
             ],
         ),
         migrations.CreateModel(
@@ -53,6 +62,8 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('urlid', djangoldp.fields.LDPUrlField(blank=True, null=True, unique=True)),
+                ('is_backlink', models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink')),
+                ('allow_create_backlink', models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save')),
                 ('chosenOption', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='userVote', to='djangoldp_polls.PollOption')),
                 ('relatedPoll', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='votes', to='djangoldp_polls.Poll')),
                 ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='user', to=settings.AUTH_USER_MODEL)),
diff --git a/djangoldp_polls/migrations/0002_auto_20200617_1440.py b/djangoldp_polls/migrations/0002_auto_20200617_1440.py
deleted file mode 100644
index 12849157d0e0052fc61fd21eea446180e2b84537..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0002_auto_20200617_1440.py
+++ /dev/null
@@ -1,55 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-06-17 14:40
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_polls', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='poll',
-            name='allow_create_backlink',
-            field=models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save'),
-        ),
-        migrations.AddField(
-            model_name='poll',
-            name='is_backlink',
-            field=models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink'),
-        ),
-        migrations.AddField(
-            model_name='polloption',
-            name='allow_create_backlink',
-            field=models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save'),
-        ),
-        migrations.AddField(
-            model_name='polloption',
-            name='is_backlink',
-            field=models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink'),
-        ),
-        migrations.AddField(
-            model_name='tag',
-            name='allow_create_backlink',
-            field=models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save'),
-        ),
-        migrations.AddField(
-            model_name='tag',
-            name='is_backlink',
-            field=models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink'),
-        ),
-        migrations.AddField(
-            model_name='vote',
-            name='allow_create_backlink',
-            field=models.BooleanField(default=True, help_text='set to False to disable backlink creation after Model save'),
-        ),
-        migrations.AddField(
-            model_name='vote',
-            name='is_backlink',
-            field=models.BooleanField(default=False, help_text='(DEPRECIATED) set automatically to indicate the Model is a backlink'),
-        ),
-    ]
diff --git a/djangoldp_polls/migrations/0003_poll_debate.py b/djangoldp_polls/migrations/0003_poll_debate.py
deleted file mode 100644
index 4884f45f84207f1c9b0c806613f5eea9e4912098..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0003_poll_debate.py
+++ /dev/null
@@ -1,21 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-07-01 08:35
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_conversation', '0006_auto_20200617_1309'),
-        ('djangoldp_polls', '0002_auto_20200617_1440'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='poll',
-            name='debate',
-            field=models.ManyToManyField(blank=True, related_name='debate', to='djangoldp_conversation.Conversation'),
-        ),
-    ]
diff --git a/djangoldp_polls/migrations/0004_remove_poll_debate.py b/djangoldp_polls/migrations/0004_remove_poll_debate.py
deleted file mode 100644
index 592ff7a55e50d56425d1e4e94b0f07e5f93cb3b9..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0004_remove_poll_debate.py
+++ /dev/null
@@ -1,19 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-07-01 08:35
-from __future__ import unicode_literals
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_polls', '0003_poll_debate'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='poll',
-            name='debate',
-        ),
-    ]
diff --git a/djangoldp_polls/migrations/0005_poll_startdate.py b/djangoldp_polls/migrations/0005_poll_startdate.py
deleted file mode 100644
index 5fc08811934710bbea2a27d89a74a51f5e1568b5..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0005_poll_startdate.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-07-23 10:40
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_polls', '0004_remove_poll_debate'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='poll',
-            name='startDate',
-            field=models.DateField(blank=True, null=True, verbose_name='Date de début'),
-        ),
-    ]
diff --git a/djangoldp_polls/migrations/0006_auto_20200723_1139.py b/djangoldp_polls/migrations/0006_auto_20200723_1139.py
deleted file mode 100644
index c792742abd0d9d70affa3a21faab2fdb6b91fd05..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0006_auto_20200723_1139.py
+++ /dev/null
@@ -1,25 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-07-23 11:39
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_polls', '0005_poll_startdate'),
-    ]
-
-    operations = [
-        migrations.RemoveField(
-            model_name='tag',
-            name='name',
-        ),
-        migrations.AddField(
-            model_name='tag',
-            name='tag',
-            field=models.CharField(default=1, max_length=250, verbose_name='Tags related to the vote'),
-            preserve_default=False,
-        ),
-    ]
diff --git a/djangoldp_polls/migrations/0007_auto_20200723_2133.py b/djangoldp_polls/migrations/0007_auto_20200723_2133.py
deleted file mode 100644
index e7ff8ae2c3f5d3535daeb6f5f680c9b8fa9a8428..0000000000000000000000000000000000000000
--- a/djangoldp_polls/migrations/0007_auto_20200723_2133.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.29 on 2020-07-23 21:33
-from __future__ import unicode_literals
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('djangoldp_polls', '0006_auto_20200723_1139'),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name='tag',
-            old_name='tag',
-            new_name='name',
-        ),
-    ]
diff --git a/djangoldp_polls/models.py b/djangoldp_polls/models.py
index 3d969aea4f7a958edac2352f37867b7faf5774e5..f57691ef27169a5a2de6d536e16cf07ba842467f 100644
--- a/djangoldp_polls/models.py
+++ b/djangoldp_polls/models.py
@@ -17,65 +17,65 @@ User.name=User.get_full_name
 #========================
 
 class Tag (Model):
-    name = models.CharField(max_length=250,verbose_name="Tags related to the vote")
+	name = models.CharField(max_length=250,verbose_name="Name")
 
-    class Meta :
-        serializer_fields = ['@id','name']
-        anonymous_perms = ['view']
-        authenticated_perms = ['inherit','add']
+	class Meta :
+		serializer_fields = ['@id','name']
+		anonymous_perms = ['view']
+		authenticated_perms = ['inherit','add']
 
-    def __str__(self):
-        return self.name
+	def __str__(self):
+		return self.name
 
 
 class PollOption (Model):
-    name = models.CharField(max_length=250,verbose_name="Options available for a vote")
+	name = models.CharField(max_length=250,verbose_name="Options available for a vote")
 
-    class Meta :
-        serializer_fields = ['@id','name']
-        nested_fields = ['userVote','relatedPollOptions']
-        anonymous_perms = ['view','add']
-        authenticated_perms =  ['inherit','add']
+	class Meta :
+		serializer_fields = ['@id','name']
+		nested_fields = ['userVote','relatedPollOptions']
+		anonymous_perms = ['view','add']
+		authenticated_perms =  ['inherit','add']
 
 
-    def __str__(self):
-        return self.name
+	def __str__(self):
+		return self.name
 
 class Poll (Model):
-    created_at = models.DateTimeField(auto_now_add=True)
-    author = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='createdVotes', null=True,blank=True)
-    title = models.CharField(max_length=250,verbose_name="Title")
-    image = models.URLField(blank=True, null=True, verbose_name="Illustration de l'évènement")
-    hostingOrganisation = models.CharField(max_length=250,verbose_name="Name of the hosting organisation")
-    startDate = models.DateField(verbose_name="Date de début", blank=True, null=True ) 
-    endDate =  models.DateField(verbose_name="Date de fin" )
-    shortDescription = models.CharField(max_length=250,verbose_name="Short description")
-    longDescription = models.TextField(verbose_name="Long description")
-    tags = models.ManyToManyField(Tag, related_name='tags', blank=True)
-    pollOptions = models.ManyToManyField(PollOption, related_name='relatedPollOptions', blank=True)
-    #debate = models.ManyToManyField(Conversation, related_name='debate', blank=True)
-    #relatedVotes = models.ManyToManyField(Vote, related_name='relatedVotes', blank=True)
-
-    class Meta : 
-        serializer_fields = ['@id','created_at','pollOptions','votes','author','title','image','hostingOrganisation','startDate','endDate','shortDescription','longDescription','tags']
-        nested_fields = ['tags','votes','pollOptions']
-        anonymous_perms = ['view','add','change']
-        authenticated_perms = ['inherit','add']
-
-    def __str__(self):
-        return self.title
+	created_at = models.DateTimeField(auto_now_add=True)
+	author = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='createdVotes', null=True,blank=True)
+	title = models.CharField(max_length=250,verbose_name="Title")
+	image = models.URLField(blank=True, null=True, verbose_name="Illustration de l'évènement")
+	hostingOrganisation = models.CharField(max_length=250,verbose_name="Name of the hosting organisation")
+	startDate = models.DateField(verbose_name="Date de début", blank=True, null=True ) 
+	endDate =  models.DateField(verbose_name="Date de fin" )
+	shortDescription = models.CharField(max_length=250,verbose_name="Short description")
+	longDescription = models.TextField(verbose_name="Long description")
+	tags = models.ManyToManyField(Tag, related_name='tags', blank=True)
+	pollOptions = models.ManyToManyField(PollOption, related_name='relatedPollOptions', blank=True)
+	debate = models.ManyToManyField(Conversation, related_name='debates', blank=True)
+	#relatedVotes = models.ManyToManyField(Vote, related_name='relatedVotes', blank=True)
+
+	class Meta : 
+		serializer_fields = ['@id','created_at','debate','pollOptions','votes','author','title','image','hostingOrganisation','startDate','endDate','shortDescription','longDescription','tags']
+		nested_fields = ['tags','votes','pollOptions','debate']
+		anonymous_perms = ['view','add','change']
+		authenticated_perms = ['inherit','add']
+
+	def __str__(self):
+		return self.title
 
 
 
 class Vote (Model):
-    user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='user',null=True,blank=True)
-    chosenOption =  models.ForeignKey(PollOption, related_name='userVote')
-    relatedPoll = models.ForeignKey(Poll, related_name='votes')
-
-    class Meta :
-        auto_author = "user"
-        serializer_fields = ['@id','chosenOption','relatedPoll']
-        nested_fields = []
-        anonymous_perms = ['view','add','change']
-        authenticated_perms =  ['inherit','add']
-    
\ No newline at end of file
+	user = models.ForeignKey(settings.AUTH_USER_MODEL, related_name='user',null=True,blank=True)
+	chosenOption =  models.ForeignKey(PollOption, related_name='userVote')
+	relatedPoll = models.ForeignKey(Poll, related_name='votes')
+
+	class Meta :
+		auto_author = "user"
+		serializer_fields = ['@id','chosenOption','relatedPoll']
+		nested_fields = []
+		anonymous_perms = ['view','add','change']
+		authenticated_perms =  ['inherit','add']
+	
\ No newline at end of file