Add a new verision of django-qr-code

Official package does not (yet) support django 3.0

InvenTree/InvenTree/settings.py

@@ -101,7 +101,7 @@ INSTALLED_APPS = [
     'crispy_forms',                 # Improved form rendering
     'import_export',                # Import / export tables to file
     'django_cleanup',               # Automatically delete orphaned MEDIA files
-    # 'qr_code',                      # Generate QR codes
+    'qr_code',                      # Generate QR codes
     'mptt',                         # Modified Preorder Tree Traversal
     'markdownx',                    # Markdown editing
     'markdownify',                  # Markdown template rendering

InvenTree/InvenTree/urls.py

@@ -8,8 +8,7 @@ Passes URL lookup downstream to each app as required.
 from django.conf.urls import url, include
 from django.contrib import admin
 from django.contrib.auth import views as auth_views
-# TODO - Remove this line once a new QR solution has been implemented
-# from qr_code import urls as qr_code_urls
+from qr_code import urls as qr_code_urls
 
 from company.urls import company_urls
 from company.urls import supplier_part_urls
@@ -100,8 +99,7 @@ urlpatterns = [
 
     url(r'^admin/', admin.site.urls, name='inventree-admin'),
 
-    # TODO - Remove this line!
-    # url(r'^qr_code/', include(qr_code_urls, namespace='qr_code')),
+    url(r'^qr_code/', include(qr_code_urls, namespace='qr_code')),
 
     url(r'^index/', IndexView.as_view(), name='index'),
     url(r'^search/', SearchView.as_view(), name='search'),