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CommandError: One or more models did not validate:
app.blogcomment: 'blog' has a relation with model <class 'app.models.blog.Blog'>, which has either not been installed or is abstract.

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# import one model
from app.models import Blog

# import a bunch
from app.models import *

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from app.views.blog import Blog

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# import one view
from app.views import Blog

# import a bunch
from app.views import *

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from email.utils import COMMASPACE
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from boto.ses import SESConnection
from django.conf import settings


class SESMessage(object):

    def __init__(self, source, to_addresses, subject, **kw):

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# Amazon AWS
AWS_ACCESS_KEY = 'AKIA........'
AWS_SECRET_KEY = 'w71v........'

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from app.lib.amazonses import SESMessage


def contact(request):

    if request.method == 'POST':

        form = ContactForm(request.POST)

        if form.is_valid():

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from django.contrib import messages

# within a view method
messages.add_message(request, messages.INFO, 'This message will appear after the redirect!')

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{% if messages %}
    <div class="notice">
        {% for message in messages %}
            {{ message }}
        {% endfor %}
    </div>
{% endif %}

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#!/bin/bash -e

#
# Test for a reboot,  if this is a reboot just skip this script.
#
if test "$RS_REBOOT" = "true" ; then
  echo "Skip software update on reboot."
  logger -t RightScale "Software update, skipped on a reboot."
  exit 0
fi