old_contents: import os
  import tempfile
  
  from pipeline.conf import settings
  from pipeline.compilers import SubProcessCompiler
  
  
  class LessCompiler(SubProcessCompiler):
      output_extension = 'css'
  
      def match_file(self, filename):
          return filename.endswith('.less')
  
      def compile_file(self, content):
          in_file, in_filename = tempfile.mkstemp()
          in_file = os.fdopen(in_file, 'w+b')
          in_file.write(content)
          in_file.flush()
  
          command = '%s %s %s' % (
              settings.PIPELINE_LESS_BINARY,
              in_filename,
              settings.PIPELINE_LESS_ARGUMENTS
          )
          content = self.execute_command(command, content)
  
          in_file.close()
          os.remove(in_filename)
  
          return content
  
new_contents: import os
  import tempfile
  
  from pipeline.conf import settings
  from pipeline.compilers import SubProcessCompiler
  
  
  class LessCompiler(SubProcessCompiler):
      output_extension = 'css'
  
      def match_file(self, filename):
          return filename.endswith('.less')
  
      def compile_file(self, content):
          in_file, in_filename = tempfile.mkstemp()
          in_file = os.fdopen(in_file, 'w+b')
          in_file.write(content)
          in_file.flush()
  
          command = '%s %s %s' % (
              settings.PIPELINE_LESS_BINARY,
              settings.PIPELINE_LESS_ARGUMENTS,
              in_filename
          )
          content = self.execute_command(command, content)
  
          in_file.close()
          os.remove(in_filename)
  
          return content
  
subject: change arguments order for less compiler