old_contents: '''
  ARCHES - a program developed to inventory and manage immovable cultural heritage.
  Copyright (C) 2013 J. Paul Getty Trust and World Monuments Fund
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU Affero General Public License for more details.
  
  You should have received a copy of the GNU Affero General Public License
  along with this program. If not, see <http://www.gnu.org/licenses/>.
  '''
  
  import json
  import couchdb
  from urlparse import urlparse, urljoin
  from arches.app.models import models
  from arches.app.models.mobile_survey import MobileSurvey
  from arches.app.models.system_settings import settings
  from arches.app.utils.response import JSONResponse
  from arches.app.utils.betterJSONSerializer import JSONSerializer, JSONDeserializer
  from django.http import HttpRequest, HttpResponseNotFound
  import arches.app.views.search as search
  
  class Couch(object):
      def __init__(self):
          self.couch = couchdb.Server(settings.COUCHDB_URL)
  
      def create_db(self, name):
          # return reference to db
          if name in self.couch:
              db = self.couch[name]
          else:
              db = self.couch.create(name)
  
          return db
  
      def delete_db(self, name):
          try:
              print ('Deleting Couch DB: ', name)
              return self.couch.delete(name)
          except Exception as e:
              print e
              return connection_error
  
new_contents: '''
  ARCHES - a program developed to inventory and manage immovable cultural heritage.
  Copyright (C) 2013 J. Paul Getty Trust and World Monuments Fund
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU Affero General Public License for more details.
  
  You should have received a copy of the GNU Affero General Public License
  along with this program. If not, see <http://www.gnu.org/licenses/>.
  '''
  
  import json
  import couchdb
  from urlparse import urlparse, urljoin
  from arches.app.models import models
  from arches.app.models.system_settings import settings
  from arches.app.utils.response import JSONResponse
  from arches.app.utils.betterJSONSerializer import JSONSerializer, JSONDeserializer
  from django.http import HttpRequest, HttpResponseNotFound
  import arches.app.views.search as search
  
  class Couch(object):
      def __init__(self):
          self.couch = couchdb.Server(settings.COUCHDB_URL)
  
      def create_db(self, name):
          # return reference to db
          if name in self.couch:
              db = self.couch[name]
          else:
              db = self.couch.create(name)
  
          return db
  
      def delete_db(self, name):
          try:
              print ('Deleting Couch DB: ', name)
              return self.couch.delete(name)
          except Exception as e:
              print e
              return connection_error
  
subject: Remove unneeded model import