for non-standard things in the check directory

Found the following files/directories:
  'testNet.dot' 'toy_epi_sim.net'
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’
Found the following files/directories:
  ‘testNet.dot’ ‘toy_epi_sim.net’