diff --git a/pinaxcon/registrasion/management/commands/populate_inventory.py b/pinaxcon/registrasion/management/commands/populate_inventory.py
index bbe4728f7c804d9512fe6f312cd528fcd1f0588b..b787f1495781524a40110629fbb4701f0ecc2e4a 100644
--- a/pinaxcon/registrasion/management/commands/populate_inventory.py
+++ b/pinaxcon/registrasion/management/commands/populate_inventory.py
@@ -4,13 +4,15 @@ from datetime import timedelta
 from decimal import Decimal
 from django.contrib.auth.models import Group
 from django.core.exceptions import ObjectDoesNotExist
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 
 from registrasion.models import inventory as inv
 from registrasion.models import conditions as cond
 from symposion import proposals
 
+
 class Command(BaseCommand):
+
     help = 'Populates the inventory with the LCA2017 inventory model'
 
     def add_arguments(self, parser):
@@ -55,7 +57,7 @@ class Command(BaseCommand):
             description="Each type of ticket has different included products. "
                         "For details of what products are included, see our "
                         "[LINK]registration details page.[/LINK]",
-            required = True,
+            required=True,
             render_type=inv.Category.RENDER_TYPE_RADIO,
             limit_per_user=1,
             order=1,
@@ -68,7 +70,7 @@ class Command(BaseCommand):
                         "Wednesday 18 January. All attendees may purchase "
                         "seats at the dinner, even if a dinner ticket is not "
                         "included in your conference ticket price.",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_QUANTITY,
             limit_per_user=10,
             order=10,
@@ -81,7 +83,7 @@ class Command(BaseCommand):
                         "evening of Tuesday 17 January. You may purchase up "
                         "to 5 tickets in total, for significant others, and "
                         "family members.",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_QUANTITY,
             limit_per_user=5,
             order=20,
@@ -95,7 +97,7 @@ class Command(BaseCommand):
                         "January, and is restricted to Professional Ticket "
                         "holders, speakers, miniconf organisers, and invited "
                         "guests.",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_RADIO,
             limit_per_user=1,
             order=30,
@@ -106,7 +108,7 @@ class Command(BaseCommand):
             name="T-Shirt",
             description="Commemorative conference t-shirts, featuring secret "
                         "linux.conf.au 2017 artwork.",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_ITEM_QUANTITY,
             order=40,
         )
@@ -124,7 +126,7 @@ class Command(BaseCommand):
                         "other hotels, including Wrest Point can be booked "
                         "elsewhere. For full details, see [LINK]our "
                         "accommodation page.[/LINK]",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_RADIO,
             limit_per_user=1,
             order=50,
@@ -135,7 +137,7 @@ class Command(BaseCommand):
             name="Extras",
             description="Other items that can improve your conference "
                         "experience.",
-            required = False,
+            required=False,
             render_type=inv.Category.RENDER_TYPE_QUANTITY,
             order=60,
         )