deferred django imports to fix gunicorn startup

Dockerfile

@@ -25,7 +25,13 @@ WORKDIR $bizwiz_appdir
 
 # do not use shell form to have gunicorn start with PID 1 and handle TERM instead of shell
 # docker stop --> SIGTERM to PID _1_ --> gunicorn graceful shutdown
-ENTRYPOINT ["gunicorn", "--bind 0.0.0.0:80", "--access-logfile data/gunicorn-access.log", "--error-logfile data/gunicorn-error.log", "bwsite.wsgi"]
+ENTRYPOINT [ \
+    "gunicorn", \
+    "--bind 0.0.0.0:80", \
+    "--access-logfile data/gunicorn-access.log", \
+    "--error-logfile data/gunicorn-error.log", \
+    "bwsite.wsgi" \
+]
 
 # install application
 COPY . .

bwsite/wsgi.py

@@ -6,17 +6,17 @@
 For more information on this file, see
 https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
 """
-
-import logging
 import os
 
 from django.core.wsgi import get_wsgi_application
 
-from bizwiz.version import BIZWIZ_VERSION
-
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "bwsite.settings")
 application = get_wsgi_application()
 
+# import _after_ django is initialized
+import logging
+from bizwiz.version import BIZWIZ_VERSION
+
 _logger = logging.getLogger(__name__)
 _logger.info('************************************************************************************')
 _logger.info('* Starting Bizwiz, version %s' % BIZWIZ_VERSION)