Merge branch 'master' into reformat-lint

aleksis/apps/tezor/tasks.py

@@ -26,5 +26,5 @@ def email_invoice(tokens: Union[list[str], str]):
             from_email=invoice.group.client.email,
             recipient_list=invoice.get_billing_email_recipients(),
             context=context,
-            attachments=[(invoice_pdf.file.name, invoice_pdf.file.read(), "application/pdf")],
+            attachments=[(f"{invoice.number}.pdf", invoice_pdf.file.read(), "application/pdf")],
         )