call site 9 for path.svnurl.check
path/testing/fscommon.py - line 82
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   def test_readlines(self):
       fn = self.root.join('samplefile')
->     contents = fn.readlines()
       assert contents == ['samplefile\n']
path/common.py - line 348
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   def readlines(self, cr=1):
       """ read and return a list of lines from the path. if cr is False, the
   newline will be removed from the end of each line. """
       if not cr:
           content = self.read('rU')
           return content.split('\n')
       else:
->         f = self.open('rU')
           try:
               return f.readlines()
           finally:
               f.close()
path/svn/urlcommand.py - line 107
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   def open(self, mode='r'):
       """ return an opened file with the given mode. """
       assert 'w' not in mode and 'a' not in mode, "XXX not implemented for svn cmdline"
->     assert self.check(file=1) # svn cat returns an empty file otherwise
       if self.rev is None:
           return self._svnpopenauth('svn cat "%s"' % (
                                     self._escape(self.strpath), ))
       else:
           return self._svnpopenauth('svn cat -r %s "%s"' % (
                                     self.rev, self._escape(self.strpath)))