PEP fixes

InvenTree/build/models.py

@@ -71,7 +71,6 @@ class Build(models.Model):
         help_text='Number of parts to build'
     )
 
-
     status = models.PositiveIntegerField(default=BuildStatus.PENDING,
                                          choices=BuildStatus.items(),
                                          validators=[MinValueValidator(0)],

InvenTree/company/models.py

@@ -150,7 +150,6 @@ class Company(models.Model):
         ])
 
 
-
 class Contact(models.Model):
     """ A Contact represents a person who works at a particular company.
     A Company may have zero or more associated Contact objects.

InvenTree/order/admin.py

@@ -2,7 +2,6 @@
 from __future__ import unicode_literals
 
 from django.contrib import admin
-from import_export.admin import ImportExportModelAdmin
 
 from .models import PurchaseOrder, PurchaseOrderLineItem
 

InvenTree/order/models.py

@@ -1,12 +1,10 @@
-from django.db import models, transaction
+from django.db import models
 from django.core.validators import MinValueValidator
 from django.contrib.auth.models import User
 
 from django.utils.translation import ugettext as _
 
-from part.models import Part
 from company.models import Company
-from stock.models import StockItem
 
 from InvenTree.status_codes import OrderStatus
 
@@ -75,7 +73,8 @@ class PurchaseOrder(Order):
 
     ORDER_PREFIX = "PO"
 
-    supplier = models.ForeignKey(Company, on_delete=models.CASCADE,
+    supplier = models.ForeignKey(
+        Company, on_delete=models.CASCADE,
         limit_choices_to={
             'is_supplier': True,
         },
@@ -83,6 +82,7 @@ class PurchaseOrder(Order):
         help_text=_('Company')
     )
 
+
 class OrderLineItem(models.Model):
     """ Abstract model for an order line item
     

InvenTree/order/tests.py

@@ -1,3 +1 @@
-from django.test import TestCase
-
-# Create your tests here.
+# TODO - Implement tests for the order app