diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fc79afb6..cada9068 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,8 +18,7 @@ py37-django22:
         python3-django-extensions python3-django-filters python3-django-polymorphic
         python3-djangorestframework python3-django-cas-server python3-psycopg2 python3-pil
         python3-babel python3-lockfile python3-pip python3-phonenumbers
-        python3-bs4 python3-setuptools tox
-        texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended
+        python3-bs4 python3-setuptools tox texlive-xetex
   script: tox -e py37-django22
 
 # Ubuntu 20.04
@@ -36,8 +35,7 @@ py38-django22:
         python3-django-extensions python3-django-filters python3-django-polymorphic
         python3-djangorestframework python3-django-cas-server python3-psycopg2 python3-pil
         python3-babel python3-lockfile python3-pip python3-phonenumbers
-        python3-bs4 python3-setuptools tox
-        texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended
+        python3-bs4 python3-setuptools tox texlive-xetex
   script: tox -e py38-django22
 
 linters:
diff --git a/Dockerfile b/Dockerfile
index 846cc420..0dd1ce8b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,7 @@ RUN apt-get update && \
     python3-babel python3-lockfile python3-pip python3-phonenumbers ipython3 \
     python3-bs4 python3-setuptools \
     uwsgi uwsgi-plugin-python3 \
-    texlive-latex-base texlive-latex-recommended texlive-lang-french lmodern texlive-fonts-recommended \
-    gettext libjs-bootstrap4 fonts-font-awesome && \
+    texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome && \
     rm -rf /var/lib/apt/lists/*
 
 # Instal PyPI requirements
diff --git a/README.md b/README.md
index a9eab62d..f2ada2a8 100644
--- a/README.md
+++ b/README.md
@@ -23,14 +23,13 @@ Bien que cela permette de créer une instance sur toutes les distributions,
     $ sudo apt update
     $ sudo apt install --no-install-recommends -y \
         ipython3 python3-setuptools python3-venv python3-dev \
-        texlive-latex-base texlive-lang-french lmodern texlive-fonts-recommended \
-        gettext libjs-bootstrap4 fonts-font-awesome git
+        texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome git
     ```
 
 2.  **Clonage du dépot** là où vous voulez :
 
     ```bash
-    $ git clone git@gitlab.crans.org:bde/nk20.git && cd nk20
+    $ git clone git@gitlab.crans.org:bde/nk20.git --recursive && cd nk20
     ```
 
 3.  **Création d'un environment de travail Python décorrélé du système.**
@@ -98,8 +97,7 @@ Sinon vous pouvez suivre les étapes décrites ci-dessous.
         python3-babel python3-lockfile python3-pip python3-phonenumbers ipython3 \
         python3-bs4 python3-setuptools \
         uwsgi uwsgi-plugin-python3 \
-        texlive-latex-base texlive-lang-french lmodern texlive-fonts-recommended \
-        gettext libjs-bootstrap4 fonts-font-awesome \
+        texlive-xetex gettext libjs-bootstrap4 fonts-font-awesome \
         nginx python3-venv git acl
     ```
 
@@ -109,7 +107,7 @@ Sinon vous pouvez suivre les étapes décrites ci-dessous.
     $ sudo mkdir -p /var/www/note_kfet && cd /var/www/note_kfet
     $ sudo chown www-data:www-data .
     $ sudo chmod g+rwx .
-    $ sudo -u www-data git clone https://gitlab.crans.org/bde/nk20.git
+    $ sudo -u www-data git clone https://gitlab.crans.org/bde/nk20.git --recursive
     ```
 
 3.  **Création d'un environment de travail Python décorrélé du système.**
@@ -221,7 +219,7 @@ Il est possible de travailler sur une instance Docker.
 Pour construire l'image Docker `nk20`,
 
 ```
-git clone https://gitlab.crans.org/bde/nk20/ && cd nk20
+git clone https://gitlab.crans.org/bde/nk20/ --recursive && cd nk20
 docker build . -t nk20
 ```
 
diff --git a/ansible/roles/1-apt-basic/tasks/main.yml b/ansible/roles/1-apt-basic/tasks/main.yml
index 3148327f..1ca1b3d6 100644
--- a/ansible/roles/1-apt-basic/tasks/main.yml
+++ b/ansible/roles/1-apt-basic/tasks/main.yml
@@ -38,10 +38,7 @@
       - python3-venv
 
       # LaTeX (PDF generation)
-      - texlive-fonts-recommended
-      - texlive-lang-french
-      - texlive-latex-base
-      - texlive-latex-recommended
+      - texlive-xetex
 
       # WSGI server
       - uwsgi
diff --git a/apps/member/models.py b/apps/member/models.py
index d1218e94..bce525af 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -341,6 +341,9 @@ class Membership(models.Model):
             return self.date_start.toordinal() <= datetime.datetime.now().toordinal()
 
     def renew(self):
+        """
+        If the current membership comes to expiration, create a new membership that starts immediately after this one.
+        """
         if not Membership.objects.filter(
                 user=self.user,
                 club=self.club,
@@ -362,6 +365,48 @@ class Membership(models.Model):
             new_membership.roles.set(self.roles.all())
             new_membership.save()
 
+    def renew_parent(self):
+        """
+        Ensure that the parent membership is renewed, and renew/create it if needed.
+        """
+        parent_membership = Membership.objects.filter(
+            user=self.user,
+            club=self.club.parent_club,
+        ).order_by("-date_start")
+        if parent_membership.exists():
+            # Renew the previous membership of the parent club
+            parent_membership = parent_membership.first()
+            parent_membership._force_renew_parent = True
+            if hasattr(self, '_soge'):
+                parent_membership._soge = True
+            if hasattr(self, '_force_save'):
+                parent_membership._force_save = True
+            parent_membership.renew()
+        else:
+            # Create a new membership in the parent club
+            parent_membership = Membership(
+                user=self.user,
+                club=self.club.parent_club,
+                date_start=self.date_start,
+            )
+            parent_membership._force_renew_parent = True
+            if hasattr(self, '_soge'):
+                parent_membership._soge = True
+            if hasattr(self, '_force_save'):
+                parent_membership._force_save = True
+            parent_membership.save()
+            parent_membership.refresh_from_db()
+
+            if self.club.parent_club.name == "BDE":
+                parent_membership.roles.set(
+                    Role.objects.filter(Q(name="Adhérent BDE") | Q(name="Membre de club")).all())
+            elif self.club.parent_club.name == "Kfet":
+                parent_membership.roles.set(
+                    Role.objects.filter(Q(name="Adhérent Kfet") | Q(name="Membre de club")).all())
+            else:
+                parent_membership.roles.set(Role.objects.filter(name="Membre de club").all())
+            parent_membership.save()
+
     def save(self, *args, **kwargs):
         """
         Calculate fee and end date before saving the membership and creating the transaction if needed.
@@ -391,43 +436,7 @@ class Membership(models.Model):
                     date_start__gte=self.club.parent_club.membership_start,
                 ).exists():
                     if hasattr(self, '_force_renew_parent') and self._force_renew_parent:
-                        parent_membership = Membership.objects.filter(
-                            user=self.user,
-                            club=self.club.parent_club,
-                        ).order_by("-date_start")
-                        if parent_membership.exists():
-                            # Renew the previous membership of the parent club
-                            parent_membership = parent_membership.first()
-                            parent_membership._force_renew_parent = True
-                            if hasattr(self, '_soge'):
-                                parent_membership._soge = True
-                            if hasattr(self, '_force_save'):
-                                parent_membership._force_save = True
-                            parent_membership.renew()
-                        else:
-                            # Create a new membership in the parent club
-                            parent_membership = Membership(
-                                user=self.user,
-                                club=self.club.parent_club,
-                                date_start=self.date_start,
-                            )
-                            parent_membership._force_renew_parent = True
-                            if hasattr(self, '_soge'):
-                                parent_membership._soge = True
-                            if hasattr(self, '_force_save'):
-                                parent_membership._force_save = True
-                            parent_membership.save()
-                            parent_membership.refresh_from_db()
-
-                            if self.club.parent_club.name == "BDE":
-                                parent_membership.roles.set(
-                                    Role.objects.filter(Q(name="Adhérent BDE") | Q(name="Membre de club")).all())
-                            elif self.club.parent_club.name == "Kfet":
-                                parent_membership.roles.set(
-                                    Role.objects.filter(Q(name="Adhérent Kfet") | Q(name="Membre de club")).all())
-                            else:
-                                parent_membership.roles.set(Role.objects.filter(name="Membre de club").all())
-                            parent_membership.save()
+                        self.renew_parent()
                     else:
                         raise ValidationError(_('User is not a member of the parent club')
                                               + ' ' + self.club.parent_club.name)
diff --git a/apps/member/views.py b/apps/member/views.py
index 2a0394ff..746f5c94 100644
--- a/apps/member/views.py
+++ b/apps/member/views.py
@@ -584,6 +584,64 @@ class ClubAddMemberView(ProtectQuerysetMixin, ProtectedCreateView):
 
         return context
 
+    def perform_verifications(self, form, user, club, fee):
+        """
+        Make some additional verifications to check that the membership can be created.
+        :return: True if the form is clean, False if there is an error.
+        """
+        error = False
+
+        # Retrieve form data
+        credit_type = form.cleaned_data["credit_type"]
+        credit_amount = form.cleaned_data["credit_amount"]
+        last_name = form.cleaned_data["last_name"]
+        first_name = form.cleaned_data["first_name"]
+        bank = form.cleaned_data["bank"]
+        soge = form.cleaned_data["soge"] and not user.profile.soge and (club.name == "BDE" or club.name == "Kfet")
+
+        if not soge and user.note.balance + credit_amount < fee and not Membership.objects.filter(
+                club__name="Kfet",
+                user=user,
+                date_start__lte=date.today(),
+                date_end__gte=date.today(),
+        ).exists():
+            # Users without a valid Kfet membership can't have a negative balance.
+            # TODO Send a notification to the user (with a mail?) to tell her/him to credit her/his note
+            form.add_error('user',
+                           _("This user don't have enough money to join this club, and can't have a negative balance."))
+            error = True
+
+        if Membership.objects.filter(
+                user=form.instance.user,
+                club=club,
+                date_start__lte=form.instance.date_start,
+                date_end__gte=form.instance.date_start,
+        ).exists():
+            form.add_error('user', _('User is already a member of the club'))
+            error = True
+
+        if club.membership_start and form.instance.date_start < club.membership_start:
+            form.add_error('user', _("The membership must start after {:%m-%d-%Y}.")
+                           .format(form.instance.club.membership_start))
+            error = True
+
+        if club.membership_end and form.instance.date_start > club.membership_end:
+            form.add_error('user', _("The membership must begin before {:%m-%d-%Y}.")
+                           .format(form.instance.club.membership_end))
+            error = True
+
+        if credit_amount:
+            if not last_name or not first_name or (not bank and credit_type.special_type == "Chèque"):
+                if not last_name:
+                    form.add_error('last_name', _("This field is required."))
+                if not first_name:
+                    form.add_error('first_name', _("This field is required."))
+                if not bank and credit_type.special_type == "Chèque":
+                    form.add_error('bank', _("This field is required."))
+                return self.form_invalid(form)
+
+        return not error
+
     def form_valid(self, form):
         """
         Create membership, check that all is good, make transactions
@@ -630,36 +688,9 @@ class ClubAddMemberView(ProtectQuerysetMixin, ProtectedCreateView):
                 fee += c.membership_fee_paid if user.profile.paid else c.membership_fee_unpaid
             c = c.parent_club
 
-        if not soge and user.note.balance + credit_amount < fee and not Membership.objects.filter(
-                club__name="Kfet",
-                user=user,
-                date_start__lte=date.today(),
-                date_end__gte=date.today(),
-        ).exists():
-            # Users without a valid Kfet membership can't have a negative balance.
-            # TODO Send a notification to the user (with a mail?) to tell her/him to credit her/his note
-            form.add_error('user',
-                           _("This user don't have enough money to join this club, and can't have a negative balance."))
-            return super().form_invalid(form)
-
-        if Membership.objects.filter(
-                user=form.instance.user,
-                club=club,
-                date_start__lte=form.instance.date_start,
-                date_end__gte=form.instance.date_start,
-        ).exists():
-            form.add_error('user', _('User is already a member of the club'))
-            return super().form_invalid(form)
-
-        if club.membership_start and form.instance.date_start < club.membership_start:
-            form.add_error('user', _("The membership must start after {:%m-%d-%Y}.")
-                           .format(form.instance.club.membership_start))
-            return super().form_invalid(form)
-
-        if club.membership_end and form.instance.date_start > club.membership_end:
-            form.add_error('user', _("The membership must begin before {:%m-%d-%Y}.")
-                           .format(form.instance.club.membership_end))
-            return super().form_invalid(form)
+        # Make some verifications about the form, and if there is an error, then assume that the form is invalid
+        if not self.perform_verifications(form, user, club, fee):
+            return self.form_invalid(form)
 
         # Now, all is fine, the membership can be created.
 
@@ -671,15 +702,6 @@ class ClubAddMemberView(ProtectQuerysetMixin, ProtectedCreateView):
 
         # Credit note before the membership is created.
         if credit_amount > 0:
-            if not last_name or not first_name or (not bank and credit_type.special_type == "Chèque"):
-                if not last_name:
-                    form.add_error('last_name', _("This field is required."))
-                if not first_name:
-                    form.add_error('first_name', _("This field is required."))
-                if not bank and credit_type.special_type == "Chèque":
-                    form.add_error('bank', _("This field is required."))
-                return self.form_invalid(form)
-
             transaction = SpecialTransaction(
                 source=credit_type,
                 destination=user.note,
diff --git a/apps/permission/tests/test_rights_page.py b/apps/permission/tests/test_rights_page.py
new file mode 100644
index 00000000..da80bf09
--- /dev/null
+++ b/apps/permission/tests/test_rights_page.py
@@ -0,0 +1,44 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from django.contrib.auth.models import User
+from django.test import TestCase
+from django.urls import reverse
+from member.models import Membership, Club
+from permission.models import Role
+
+
+class TestRightsPage(TestCase):
+    """
+    Display the rights page.
+    """
+    fixtures = ("initial",)
+
+    def test_anonymous_rights_page(self):
+        """
+        Check that we can properly see the rights page even if we are not connected.
+        We can't nethertheless see the club managers.
+        """
+        response = self.client.get(reverse("permission:rights"))
+        self.assertEqual(response.status_code, 200)
+        self.assertFalse("special_memberships_table" in response.context)
+        self.assertFalse("superusers" in response.context)
+
+    def test_authenticated_rights_page(self):
+        """
+        Connect to the note and check that the club mangers are also displayed.
+        """
+        user = User.objects.create_superuser(
+            username="ploptoto",
+            password="totototo",
+            email="toto@example.com",
+        )
+        self.client.force_login(user)
+        membership = Membership.objects.create(user=user, club=Club.objects.get(name="BDE"))
+        membership.roles.add(Role.objects.get(name="Respo info"))
+        membership.save()
+
+        response = self.client.get(reverse("permission:rights"))
+        self.assertEqual(response.status_code, 200)
+        self.assertIsNotNone(response.context["special_memberships_table"])
+        self.assertIsNotNone(response.context["superusers"])
diff --git a/apps/treasury/migrations/0002_invoice_remove_png_extension.py b/apps/treasury/migrations/0002_invoice_remove_png_extension.py
new file mode 100644
index 00000000..e908d699
--- /dev/null
+++ b/apps/treasury/migrations/0002_invoice_remove_png_extension.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.16 on 2020-09-06 13:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('treasury', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='invoice',
+            name='bde',
+            field=models.CharField(choices=[('Saperlistpopette', 'Saper[list]popette'), ('Finalist', 'Fina[list]'), ('Listorique', '[List]orique'), ('Satellist', 'Satel[list]'), ('Monopolist', 'Monopo[list]'), ('Kataclist', 'Katac[list]')], default='Saperlistpopette', max_length=32, verbose_name='BDE'),
+        ),
+    ]
diff --git a/apps/treasury/models.py b/apps/treasury/models.py
index 762c7bb5..e57496ec 100644
--- a/apps/treasury/models.py
+++ b/apps/treasury/models.py
@@ -25,14 +25,14 @@ class Invoice(models.Model):
 
     bde = models.CharField(
         max_length=32,
-        default='Saperlistpopette.png',
+        default='Saperlistpopette',
         choices=(
-            ('Saperlistpopette.png', 'Saper[list]popette'),
-            ('Finalist.png', 'Fina[list]'),
-            ('Listorique.png', '[List]orique'),
-            ('Satellist.png', 'Satel[list]'),
-            ('Monopolist.png', 'Monopo[list]'),
-            ('Kataclist.png', 'Katac[list]'),
+            ('Saperlistpopette', 'Saper[list]popette'),
+            ('Finalist', 'Fina[list]'),
+            ('Listorique', '[List]orique'),
+            ('Satellist', 'Satel[list]'),
+            ('Monopolist', 'Monopo[list]'),
+            ('Kataclist', 'Katac[list]'),
         ),
         verbose_name=_("BDE"),
     )
diff --git a/apps/treasury/static/img/Finalist_bg.jpg b/apps/treasury/static/img/Finalist_bg.jpg
new file mode 100644
index 00000000..8f1fe6c7
Binary files /dev/null and b/apps/treasury/static/img/Finalist_bg.jpg differ
diff --git a/apps/treasury/static/img/Kataclist_bg.jpg b/apps/treasury/static/img/Kataclist_bg.jpg
new file mode 100644
index 00000000..fa3888fa
Binary files /dev/null and b/apps/treasury/static/img/Kataclist_bg.jpg differ
diff --git a/apps/treasury/static/img/Listorique_bg.jpg b/apps/treasury/static/img/Listorique_bg.jpg
new file mode 100644
index 00000000..6400da23
Binary files /dev/null and b/apps/treasury/static/img/Listorique_bg.jpg differ
diff --git a/apps/treasury/static/img/Monopolist_bg.jpg b/apps/treasury/static/img/Monopolist_bg.jpg
new file mode 100644
index 00000000..09380801
Binary files /dev/null and b/apps/treasury/static/img/Monopolist_bg.jpg differ
diff --git a/apps/treasury/static/img/Saperlistpopette_bg.jpg b/apps/treasury/static/img/Saperlistpopette_bg.jpg
new file mode 100644
index 00000000..b88884ac
Binary files /dev/null and b/apps/treasury/static/img/Saperlistpopette_bg.jpg differ
diff --git a/apps/treasury/static/img/Satellist_bg.jpg b/apps/treasury/static/img/Satellist_bg.jpg
new file mode 100644
index 00000000..825114f7
Binary files /dev/null and b/apps/treasury/static/img/Satellist_bg.jpg differ
diff --git a/apps/treasury/templates/treasury/invoice_sample.tex b/apps/treasury/templates/treasury/invoice_sample.tex
index c9bb92b8..a6b263d6 100644
--- a/apps/treasury/templates/treasury/invoice_sample.tex
+++ b/apps/treasury/templates/treasury/invoice_sample.tex
@@ -1,22 +1,14 @@
 {% load escape_tex %}
+\documentclass[a4paper,11pt]{article}
 
-\nonstopmode
-\documentclass[11pt]{article}
-
-\usepackage[french]{babel}
-\usepackage[T1]{fontenc}
-\usepackage[utf8]{inputenc}
-\usepackage[a4paper]{geometry}
-%\usepackage{bera}
+\usepackage{fontspec}
+\usepackage{geometry}
 \usepackage{graphicx}
 \usepackage{fancyhdr}
 \usepackage{fp}
-\usepackage{transparent}
 \usepackage{eso-pic}
 \usepackage{ifthen}
 
-\DeclareUnicodeCharacter{00B0}{$^\circ$}
-
 \def\TVA{0}    % Taux de la TVA
 
 \def\TotalHT{0}
@@ -60,7 +52,7 @@
         \parbox[b][\paperheight]{\paperwidth}{%
             \vfill
             \centering
-            {\transparent{0.1}\includegraphics[width=\textwidth]{../../apps/treasury/static/img/{{ obj.bde }}}}%
+            \includegraphics[width=\textwidth]{../../apps/treasury/static/img/{{ obj.bde }}_bg.jpg};
             \vfill
         }
     }
diff --git a/apps/treasury/tests/test_treasury.py b/apps/treasury/tests/test_treasury.py
index 580cfb2d..0d6e5d62 100644
--- a/apps/treasury/tests/test_treasury.py
+++ b/apps/treasury/tests/test_treasury.py
@@ -1,6 +1,5 @@
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
-from unittest import skip
 
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
@@ -143,7 +142,6 @@ class TestInvoices(TestCase):
         self.assertRedirects(response, reverse("treasury:invoice_list"), 302, 200)
         self.assertFalse(Invoice.objects.filter(pk=self.invoice.id).exists())
 
-    @skip("LaTeX is buggy in the CI")
     def test_invoice_render_pdf(self):
         """
         Generate the PDF file of an invoice.
diff --git a/apps/treasury/views.py b/apps/treasury/views.py
index 2bddf319..7e9ecc51 100644
--- a/apps/treasury/views.py
+++ b/apps/treasury/views.py
@@ -209,7 +209,7 @@ class InvoiceRenderView(LoginRequiredMixin, View):
             # The file has to be rendered twice
             for ignored in range(2):
                 error = subprocess.Popen(
-                    ["pdflatex", "invoice-{}.tex".format(pk)],
+                    ["xelatex", "-interaction=nonstopmode", "invoice-{}.tex".format(pk)],
                     cwd=tmp_dir,
                     stdin=open(os.devnull, "r"),
                     stderr=open(os.devnull, "wb"),
diff --git a/apps/wei/templates/wei/weilist_sample.tex b/apps/wei/templates/wei/weilist_sample.tex
index 1ab3b76d..f1b7fbd4 100644
--- a/apps/wei/templates/wei/weilist_sample.tex
+++ b/apps/wei/templates/wei/weilist_sample.tex
@@ -1,15 +1,11 @@
-\documentclass[landscape,10pt]{article}
-
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage[french]{babel}
+\documentclass[a4paper,landscape,10pt]{article}
 
+\usepackage{fontspec}
 \usepackage[margin=1.5cm]{geometry}
-\usepackage{lmodern}
 
 \begin{document}
 \begin{center}
-\huge{Liste des inscrits \og {{ wei.name }} \fg{}}
+\huge{Liste des inscrits « {{ wei.name }} »}
 
 {% if bus %}
 \LARGE{Bus {{ bus.name|safe }}}
diff --git a/apps/wei/tests/test_wei_registration.py b/apps/wei/tests/test_wei_registration.py
index 1e9036f0..e1724419 100644
--- a/apps/wei/tests/test_wei_registration.py
+++ b/apps/wei/tests/test_wei_registration.py
@@ -690,7 +690,7 @@ class TestWEIRegistration(TestCase):
         """
         with open("/dev/null", "wb") as devnull:
             return subprocess.call(
-                ["which", "pdflatex"],
+                ["which", "xelatex"],
                 stdout=devnull,
                 stderr=devnull,
             ) == 0
diff --git a/apps/wei/views.py b/apps/wei/views.py
index 7720829c..ced85473 100644
--- a/apps/wei/views.py
+++ b/apps/wei/views.py
@@ -1103,7 +1103,7 @@ class MemberListRenderView(LoginRequiredMixin, View):
 
             with open(os.devnull, "wb") as devnull:
                 error = subprocess.Popen(
-                    ["pdflatex", "{}/wei-list.tex".format(tmp_dir)],
+                    ["xelatex", "-interaction=nonstopmode", "{}/wei-list.tex".format(tmp_dir)],
                     cwd=tmp_dir,
                     stderr=devnull,
                     stdout=devnull,
diff --git a/tox.ini b/tox.ini
index eff97a2b..1b0f4b55 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,7 +42,7 @@ exclude =
     .cache,
     .eggs,
     *migrations*
-max-complexity = 10
+max-complexity = 15
 max-line-length = 160
 import-order-style = google
 application-import-names = flake8