old_contents: from __future__ import division, absolute_import, print_function
  
  from subprocess import call, PIPE, Popen
  import sys
  import re
  
  import numpy as np
  from numpy.linalg import lapack_lite
  from numpy.testing import TestCase, dec
  
  from numpy.compat import asbytes_nested
  
  class FindDependenciesLdd(object):
      def __init__(self):
          self.cmd = ['ldd']
  
          try:
              p = Popen(self.cmd, stdout=PIPE, stderr=PIPE)
              stdout, stderr = p.communicate()
          except OSError:
              raise RuntimeError("command %s cannot be run" % self.cmd)
  
      def get_dependencies(self, file):
          p = Popen(self.cmd + [file], stdout=PIPE, stderr=PIPE)
          stdout, stderr = p.communicate()
          if not (p.returncode == 0):
              raise RuntimeError("Failed to check dependencies for %s" % libfile)
  
          return stdout
  
      def grep_dependencies(self, file, deps):
          stdout = self.get_dependencies(file)
  
          rdeps = dict([(dep, re.compile(dep)) for dep in deps])
          founds = []
          for l in stdout.splitlines():
              for k, v in rdeps.items():
                  if v.search(l):
                      founds.append(k)
  
          return founds
  
  class TestF77Mismatch(TestCase):
      @dec.skipif(not(sys.platform[:5] == 'linux'),
                  "Skipping fortran compiler mismatch on non Linux platform")
      def test_lapack(self):
          f = FindDependenciesLdd()
          deps = f.grep_dependencies(lapack_lite.__file__,
                                     asbytes_nested(['libg2c', 'libgfortran']))
          self.assertFalse(len(deps) > 1,
  """Both g77 and gfortran runtimes linked in lapack_lite ! This is likely to
  cause random crashes and wrong results. See numpy INSTALL.txt for more
  information.""")
  
new_contents: from __future__ import division, absolute_import, print_function
  
  from subprocess import call, PIPE, Popen
  import sys
  import re
  
  import numpy as np
  from numpy.linalg import lapack_lite
  from numpy.testing import TestCase, dec
  
  from numpy.compat import asbytes_nested
  
  class FindDependenciesLdd(object):
      def __init__(self):
          self.cmd = ['ldd']
  
          try:
              p = Popen(self.cmd, stdout=PIPE, stderr=PIPE)
              stdout, stderr = p.communicate()
          except OSError:
              raise RuntimeError("command %s cannot be run" % self.cmd)
  
      def get_dependencies(self, lfile):
          p = Popen(self.cmd + [lfile], stdout=PIPE, stderr=PIPE)
          stdout, stderr = p.communicate()
          if not (p.returncode == 0):
              raise RuntimeError("failed dependencies check for %s" % lfile)
  
          return stdout
  
      def grep_dependencies(self, lfile, deps):
          stdout = self.get_dependencies(lfile)
  
          rdeps = dict([(dep, re.compile(dep)) for dep in deps])
          founds = []
          for l in stdout.splitlines():
              for k, v in rdeps.items():
                  if v.search(l):
                      founds.append(k)
  
          return founds
  
  class TestF77Mismatch(TestCase):
      @dec.skipif(not(sys.platform[:5] == 'linux'),
                  "Skipping fortran compiler mismatch on non Linux platform")
      def test_lapack(self):
          f = FindDependenciesLdd()
          deps = f.grep_dependencies(lapack_lite.__file__,
                                     asbytes_nested(['libg2c', 'libgfortran']))
          self.assertFalse(len(deps) > 1,
  """Both g77 and gfortran runtimes linked in lapack_lite ! This is likely to
  cause random crashes and wrong results. See numpy INSTALL.txt for more
  information.""")
  
subject: Fix wrong variable in test_build.py exception.