PEP fixes

InvenTree/part/api.py

@@ -1002,7 +1002,6 @@ class PartList(generics.ListCreateAPIView):
             try:
                 in_bom_for = Part.objects.get(pk=in_bom_for)
 
-
                 # Extract a list of parts within the BOM
                 bom_parts = in_bom_for.get_parts_in_bom()
                 print("bom_parts:", bom_parts)

InvenTree/stock/forms.py

@@ -8,7 +8,6 @@ from __future__ import unicode_literals
 from django import forms
 from django.forms.utils import ErrorDict
 from django.utils.translation import ugettext_lazy as _
-from django.core.exceptions import ValidationError
 
 from mptt.fields import TreeNodeChoiceField
 
@@ -16,8 +15,6 @@ from InvenTree.forms import HelperForm
 from InvenTree.fields import RoundingDecimalFormField
 from InvenTree.fields import DatePickerFormField
 
-from part.models import Part
-
 from .models import StockLocation, StockItem, StockItemTracking
 
 

InvenTree/stock/serializers.py

@@ -36,7 +36,6 @@ import InvenTree.helpers
 import InvenTree.serializers
 from InvenTree.serializers import InvenTreeDecimalField, extract_int
 
-import part.models as part_models
 from part.serializers import PartBriefSerializer
 
 
@@ -432,7 +431,7 @@ class InstallStockItemSerializer(serializers.Serializer):
 
     def save(self):
         """ Install the selected stock item into this one """
-        
+
         data = self.validated_data
 
         stock_item = data['stock_item']