diff --git a/poky/bitbake/lib/toaster/toastermain/management/commands/builddelete.py b/poky/bitbake/lib/toaster/toastermain/management/commands/builddelete.py
index c2d773a..93919de 100644
--- a/poky/bitbake/lib/toaster/toastermain/management/commands/builddelete.py
+++ b/poky/bitbake/lib/toaster/toastermain/management/commands/builddelete.py
@@ -2,12 +2,10 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 from django.core.exceptions import ObjectDoesNotExist
 from orm.models import Build
 from django.db import OperationalError
-import os
-
 
 
 class Command(BaseCommand):
diff --git a/poky/bitbake/lib/toaster/toastermain/management/commands/buildimport.py b/poky/bitbake/lib/toaster/toastermain/management/commands/buildimport.py
index 408ad44..59da6ff 100644
--- a/poky/bitbake/lib/toaster/toastermain/management/commands/buildimport.py
+++ b/poky/bitbake/lib/toaster/toastermain/management/commands/buildimport.py
@@ -31,12 +31,10 @@
 
 # ../bitbake/lib/toaster/manage.py buildimport --name=test --path=`pwd` --callback="" --command=import
 
-from django.core.management.base import BaseCommand, CommandError
-from django.core.exceptions import ObjectDoesNotExist
-from orm.models import ProjectManager, Project, Release, ProjectVariable
+from django.core.management.base import BaseCommand
+from orm.models import Project, Release, ProjectVariable
 from orm.models import Layer, Layer_Version, LayerSource, ProjectLayer
 from toastergui.api import scan_layer_content
-from django.db import OperationalError
 
 import os
 import re
@@ -116,6 +114,15 @@
             help='command (configure,reconfigure,import)',
             )
 
+    def get_var(self, varname):
+        value = self.vars.get(varname, '')
+        if value:
+            varrefs = re.findall('\${([^}]*)}', value)
+            for ref in varrefs:
+                if ref in self.vars:
+                    value = value.replace('${%s}' % ref, self.vars[ref])
+        return value
+
     # Extract the bb variables from a conf file
     def scan_conf(self,fn):
         vars = self.vars
@@ -243,7 +250,7 @@
     # Apply table of all layer versions
     def extract_bblayers(self):
         # set up the constants
-        bblayer_str = self.vars['BBLAYERS']
+        bblayer_str = self.get_var('BBLAYERS')
         TOASTER_DIR = os.environ.get('TOASTER_DIR')
         INSTALL_CLONE_PREFIX = os.path.dirname(TOASTER_DIR) + "/"
         TOASTER_CLONE_PREFIX = TOASTER_DIR + "/_toaster_clones/"
@@ -423,6 +430,7 @@
 
     # Scan the project's conf files (if any)
     def scan_conf_variables(self,project_path):
+        self.vars['TOPDIR'] = project_path
         # scan the project's settings, add any new layers or variables
         if os.path.isfile("%s/conf/local.conf" % project_path):
             self.scan_conf("%s/conf/local.conf" % project_path)
@@ -468,7 +476,6 @@
                     release_name = 'None' if not pl.layercommit.release else pl.layercommit.release.name
                     print(" AFTER :ProjectLayer=%s,%s,%s,%s" % (pl.layercommit.layer.name,release_name,pl.layercommit.branch,pl.layercommit.commit))
 
-
     def handle(self, *args, **options):
         project_name = options['name']
         project_path = options['path']
@@ -507,7 +514,7 @@
         default_release = Release.objects.get(id=1)
 
         # SANITY: if 'reconfig' but project does not exist (deleted externally), switch to 'import'
-        if ("reconfigure" == options['command']) and (None == project):
+        if ("reconfigure" == options['command']) and project is None:
             options['command'] = 'import'
 
         # 'Configure':
@@ -553,6 +560,7 @@
             # preset the mode and default image recipe
             project.set_variable(Project.PROJECT_SPECIFIC_ISNEW,Project.PROJECT_SPECIFIC_NEW)
             project.set_variable(Project.PROJECT_SPECIFIC_DEFAULTIMAGE,"core-image-minimal")
+
             # Assert any extended/custom actions or variables for new non-Toaster projects
             if not len(self.toaster_vars):
                 pass
diff --git a/poky/bitbake/lib/toaster/toastermain/management/commands/buildslist.py b/poky/bitbake/lib/toaster/toastermain/management/commands/buildslist.py
index 1ed2022..3ad5289 100644
--- a/poky/bitbake/lib/toaster/toastermain/management/commands/buildslist.py
+++ b/poky/bitbake/lib/toaster/toastermain/management/commands/buildslist.py
@@ -2,9 +2,8 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 from orm.models import Build
-import os
 
 
 
diff --git a/poky/bitbake/lib/toaster/toastermain/settings.py b/poky/bitbake/lib/toaster/toastermain/settings.py
index 74501fa..a4b370c 100644
--- a/poky/bitbake/lib/toaster/toastermain/settings.py
+++ b/poky/bitbake/lib/toaster/toastermain/settings.py
@@ -189,15 +189,16 @@
     },
 ]
 
-MIDDLEWARE_CLASSES = (
+MIDDLEWARE = [
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
-    # Uncomment the next line for simple clickjacking protection:
-    # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
-)
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+]
 
 CACHES = {
     #        'default': {
@@ -248,7 +249,7 @@
 if os.environ.get('TOASTER_DEVEL', None) is not None:
     try:
         import fresh
-        MIDDLEWARE_CLASSES = ("fresh.middleware.FreshMiddleware",) + MIDDLEWARE_CLASSES
+        MIDDLEWARE = ["fresh.middleware.FreshMiddleware",] + MIDDLEWARE
         INSTALLED_APPS = INSTALLED_APPS + ('fresh',)
         FRESH_ENABLED = True
     except:
@@ -258,8 +259,8 @@
 if os.environ.get('TOASTER_DEVEL', None) is not None:
     try:
         import debug_toolbar, debug_panel
-        MIDDLEWARE_CLASSES = ('debug_panel.middleware.DebugPanelMiddleware',) + MIDDLEWARE_CLASSES
-        #MIDDLEWARE_CLASSES = MIDDLEWARE_CLASSES + ('debug_toolbar.middleware.DebugToolbarMiddleware',)
+        MIDDLEWARE = ['debug_panel.middleware.DebugPanelMiddleware',] + MIDDLEWARE
+        #MIDDLEWARE = MIDDLEWARE + ['debug_toolbar.middleware.DebugToolbarMiddleware',]
         INSTALLED_APPS = INSTALLED_APPS + ('debug_toolbar','debug_panel',)
         DEBUG_PANEL_ENABLED = True
 
@@ -352,5 +353,3 @@
 connection_created.connect(activate_synchronous_off)
 #
 
-
-
diff --git a/poky/bitbake/lib/toaster/toastermain/urls.py b/poky/bitbake/lib/toaster/toastermain/urls.py
index ac77bc3..5fb520b 100644
--- a/poky/bitbake/lib/toaster/toastermain/urls.py
+++ b/poky/bitbake/lib/toaster/toastermain/urls.py
@@ -51,7 +51,7 @@
 
 urlpatterns = [
     # Uncomment the next line to enable the admin:
-    url(r'^admin/', include(admin.site.urls)),
+    url(r'^admin/', admin.site.urls),
 ] + urlpatterns
 
 # Automatically discover urls.py in various apps, beside our own
@@ -69,7 +69,7 @@
         # make sure we don't have this module name in
         conflict = False
         for p in urlpatterns:
-            if p.regex.pattern == '^' + modulename + '/':
+            if p.pattern.regex.pattern == '^' + modulename + '/':
                 conflict = True
         if not conflict:
             urlpatterns.insert(0, url(r'^' + modulename + '/', include ( modulename + '.urls')))