old_contents: """
  Copyright [2009-2014] EMBL-European Bioinformatics Institute
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
       http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  """
  
  from django.conf.urls import patterns, url
  from django.views.generic.base import TemplateView
  import views
  
  # exporting metadata search results
  urlpatterns = patterns('',
      # export search results
      url(r'^submit-query/?$',
          'nhmmer.views.submit_job',
          name='nhmmer-submit-job'),
  
      # get nhmmer search job status
      url(r'^job-status/?$',
          'nhmmer.views.get_status',
          name='nhmmer-job-status'),
  
      # get nhmmer results
  	url(r'^get-results/?$',
  		views.ResultsView.as_view(),
  		name='nhmmer-job-results'),
  
      # user interface
      url(r'^$', TemplateView.as_view(template_name='nhmmer/sequence-search.html'),
          name='nhmmer-sequence-search'),
  )
  
new_contents: """
  Copyright [2009-2014] EMBL-European Bioinformatics Institute
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
       http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  """
  
  from django.conf.urls import patterns, url
  from django.views.generic.base import TemplateView
  import views
  
  # exporting metadata search results
  urlpatterns = patterns('',
      # export search results
      url(r'^submit-query/?$',
          'nhmmer.views.submit_job',
          name='nhmmer-submit-job'),
  
      # get nhmmer search job status
      url(r'^job-status/?$',
          'nhmmer.views.get_status',
          name='nhmmer-job-status'),
  
      # get nhmmer results
      url(r'^get-results/?$',
          views.ResultsView.as_view(),
          name='nhmmer-job-results'),
  
      # user interface
      url(r'^$', TemplateView.as_view(template_name='nhmmer/sequence-search.html'),
          name='nhmmer-sequence-search'),
  )
  
subject: Use spaces instead of tabs