old_contents: import csv
  from django.template.defaultfilters import slugify
  from django.http import HttpResponse
  
  def export(qs, fields=None, format='csv'):
      model = qs.model
      response = HttpResponse(mimetype='text/csv')
      response['Content-Disposition'] = 'attachment; filename=%s.csv' % slugify(model.__name__)
      writer = csv.writer(response)
      # Write headers to CSV file
      if fields:
          headers = fields
      else:
          headers = []
          for field in model._meta.fields:
              headers.append(field.name)
      writer.writerow(headers)
      # Write data to CSV file
      for obj in qs:
          row = []
          for field in headers:
              if field in headers:
                  val = getattr(obj, field)
                  if callable(val):
                      val = val()
                  if hasattr(obj, "get_" + field + "_display"):
                      val2 = getattr(obj, "get_" + field + "_display")
                      if callable(val2):
                          val = val2()
                  row.append(val)
          writer.writerow(row)
      # Return CSV file to browser as download
      return response
new_contents: import csv
  import cStringIO
  import codecs
  from django.template.defaultfilters import slugify
  from django.http import HttpResponse
  
  def export(qs, fields=None, format='csv'):
      model = qs.model
      response = HttpResponse(mimetype='text/csv')
      response['Content-Disposition'] = 'attachment; filename=%s.csv' % slugify(model.__name__)
      writer = UnicodeWriter(response)
      # Write headers to CSV file
      if fields:
          headers = fields
      else:
          headers = []
          for field in model._meta.fields:
              headers.append(field.name)
      writer.writerow(headers)
      # Write data to CSV file
      for obj in qs:
          row = []
          for field in headers:
              if field in headers:
                  val = getattr(obj, field)
                  if callable(val):
                      val = val()
                  if hasattr(obj, "get_" + field + "_display"):
                      val2 = getattr(obj, "get_" + field + "_display")
                      if callable(val2):
                          val = val2()
                  row.append(val)
          writer.writerow(row)
      # Return CSV file to browser as download
      return response
  
  class UTF8Recoder:
      """
      Iterator that reads an encoded stream and reencodes the input to UTF-8
      """
      
      def __init__(self, f, encoding):
          self.reader = codecs.getreader(encoding)(f)
  
      def __iter__(self):
          return self
  
      def next(self):
          return self.reader.next().encode("utf-8")
  
  class UnicodeReader:
      """
      A CSV reader which will iterate over lines in the CSV file "f",
      which is encoded in the given encoding.
      """
  
      def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
          f = UTF8Recoder(f, encoding)
          self.reader = csv.reader(f, dialect=dialect, **kwds)
  
      def next(self):
          row = self.reader.next()
          return [unicode(s, "utf-8") for s in row]
  
      def __iter__(self):
          return self
  
  class UnicodeWriter:
      """
      A CSV writer which will write rows to CSV file "f",
      which is encoded in the given encoding.
      """
      def __init__(self, f, dialect=csv.excel, encoding="utf-8", **kwds):
          # Redirect output to a queue
          self.queue = cStringIO.StringIO()
          self.writer = csv.writer(self.queue, dialect=dialect, **kwds)
          self.stream = f
          self.encoder = codecs.getincrementalencoder(encoding)()
  
      def writerow(self, row):
          self.writer.writerow([unicode(s).encode("utf-8") for s in row])
          # Fetch UTF-8 output from the queue ...
          data = self.queue.getvalue()
          data = data.decode("utf-8")
          # ... and reencode it into the target encoding
          data = self.encoder.encode(data)
          # write to the target stream
          self.stream.write(data)
          # empty queue
          self.queue.truncate(0)
  
      def writerows(self, rows):
          for row in rows:
              self.writerow(row)
  
subject: enable unicode csv export