old_contents: 
  import unittest
  from bgpfu.client import IRRClient
  
  
  class TestBGPFU(unittest.TestCase):
      def test_00_connect_irr:
          a = IRRClient()
          self.assertTrue(a)
  
new_contents: 
  import unittest
  from bgpfu.client import IRRClient
  
  
  class TestBGPFU(unittest.TestCase):
      def test_00_connect_irr():
          a = IRRClient()
          self.assertTrue(a)
  
subject: Fix typo