Update deps and fix lint

aleksis/apps/kort/models.py

@@ -102,7 +102,6 @@ class Card(ExtensibleModel):
     pdf_file = models.FileField(
         verbose_name=_("PDF file"),
         blank=True,
-        null=True,
         upload_to="cards/",
         validators=[FileExtensionValidator(["pdf"])],
     )

aleksis/apps/kort/templatetags/barcode.py

@@ -7,6 +7,7 @@ import barcode
 
 register = template.Library()
 
+
 # Adapted by https://stackoverflow.com/questions/62244670/print-barcode-in-pdf-with-django
 @register.simple_tag
 def generate_barcode(uid):
@@ -25,4 +26,4 @@ def generate_barcode(uid):
     rv.readline()
     # read the svg tag into a string
     svg = rv.read()
-    return mark_safe(svg.decode("utf-8"))
+    return mark_safe(svg.decode("utf-8"))  # noqa

aleksis/apps/kort/views.py

@@ -95,7 +95,7 @@ class CardGeneratePDFView(PermissionRequiredMixin, RevisionMixin, SingleObjectMi
         redirect_url = reverse("card", args=[self.object.pk])
         result = self.object.generate_pdf()
 
-        if result == True:
+        if result is True:
             return redirect(redirect_url)
 
         return render_progress_page(

pyproject.toml

@@ -25,11 +25,11 @@ secondary = true
 
 [tool.poetry.dependencies]
 python = "^3.9"
-aleksis-core = "^2.0"
+aleksis-core = "^2.8"
 python-barcode = "^0.13.1"
 
 [tool.poetry.dev-dependencies]
-aleksis-builddeps = "^5"
+aleksis-builddeps = "*"
 
 [tool.poetry.plugins."aleksis.app"]
 kort = "aleksis.apps.kort.apps:DefaultConfig"