old_contents: """Wrap dnspython package."""
  from __future__ import absolute_import
  
  from dns.exception import DNSException
  from dns.resolver import query
  
  from lets_do_dns.errors import RecordLookupFailure
  
  
  def lookup(fqdn):
      """Perform a DNS TXT record lookup against the provided FQDN."""
      try:
          return query(fqdn, 'TXT')
      except DNSException:
          raise RecordLookupFailure()
  
new_contents: """Wrap dnspython package."""
  from dns.exception import DNSException
  from dns.resolver import query
  
  from lets_do_dns.errors import RecordLookupFailure
  
  
  def lookup(fqdn):
      """Perform a DNS TXT record lookup against the provided FQDN."""
      try:
          return query(fqdn, 'TXT')
      except DNSException:
          raise RecordLookupFailure()
  
subject: Remove unneeded futures import