Updates 2.23 (#843)

* pipenv lock and pyupgrade

* pyupgrade, black format, add docs

* update for py3.7

peeringdb_server/management/commands/pdb_deskpro_publish.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 
 import datetime
 from django.core.management.base import BaseCommand
@@ -20,7 +19,7 @@ class Command(BaseCommand):
 
     def handle(self, *args, **options):
         client = APIClient(settings.DESKPRO_URL, settings.DESKPRO_KEY)
-        self.log("DESKPRO: {}".format(settings.DESKPRO_URL))
+        self.log(f"DESKPRO: {settings.DESKPRO_URL}")
         ticket_qs = models.DeskProTicket.objects.filter(
             published__isnull=True
         ).order_by("created")
@@ -30,7 +29,7 @@ class Command(BaseCommand):
             return
 
         for ticket in ticket_qs[:10]:
-            self.log("Posting to Deskpro: #{}".format(ticket.id))
+            self.log(f"Posting to Deskpro: #{ticket.id}")
 
             try:
                 client.create_ticket(ticket)
@@ -43,6 +42,6 @@ class Command(BaseCommand):
                     )
                 )
                 ticket.published = datetime.datetime.now().replace(tzinfo=models.UTC())
-                ticket.subject = "[FAILED] {}".format(ticket.subject)
-                ticket.body = "{}\nAPI Delivery Error: {}".format(ticket.body, exc.data)
+                ticket.subject = f"[FAILED] {ticket.subject}"
+                ticket.body = f"{ticket.body}\nAPI Delivery Error: {exc.data}"
                 ticket.save()