858         os.remove(err)       # Remove any previous output files

   858         os.remove(err)       # Remove any previous output files

   859     try:

   859     try:

   860         tf = open(testpath)

   860         tf = open(testpath)

   861         firstline = tf.readline().rstrip()

   861         firstline = tf.readline().rstrip()

   862         tf.close()

   862         tf.close()

   864         firstline = ''

   864         firstline = ''

   865     lctest = test.lower()

   865     lctest = test.lower()

   866 

   866 

   867     if lctest.endswith('.py') or firstline == '#!/usr/bin/env python':

   867     if lctest.endswith('.py') or firstline == '#!/usr/bin/env python':

   868         runner = pytest

   868         runner = pytest