Switch debug flag to boolean

Author: kwabena

app/hello_django/settings.py

@@ -23,7 +23,7 @@
 
 SECRET_KEY = os.environ.get("SECRET_KEY")
 
-DEBUG = int(os.environ.get("DEBUG", default=0))
+DEBUG = bool(os.environ.get("DEBUG", default=0))
 
 # 'DJANGO_ALLOWED_HOSTS' should be a single string of hosts with a space between each.
 # For example: 'DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1]'