old_contents: from reportlab.lib.pagesizes import A4
  from reportlab.platypus import SimpleDocTemplate, Frame, PageTemplate
  
  
  class DefaultTemplate(object):
      FIRST_PAGE_TEMPLATE_ID = 'fp'
      LATER_PAGES_TEMPLATE_ID = 'sp'
  
      def create_document(self, destination_file, units):
          margin = 10 * units
  
          doc = SimpleDocTemplate(destination_file, pagesize=A4, leftMargin=margin, rightMargin=margin,
                                  topMargin=margin, bottomMargin=margin, )
  
          header_left = Frame(margin + 10, 260 * units, 30 * units, 30 * units)
          header_right = Frame(margin + 50, 260 * units, 100 * units, 30 * units)
          body = Frame(margin, 45 * units, doc.width, 230 * units)
          footer = Frame(margin, 20 * units, doc.width, 15 * units)
  
          fp = PageTemplate(id=self.FIRST_PAGE_TEMPLATE_ID, frames=[header_left, header_right, body, footer])
          sp = PageTemplate(id=self.LATER_PAGES_TEMPLATE_ID, frames=[header_left, header_right, body, footer])
  
          doc.addPageTemplates([fp, sp])
  
          return doc
new_contents: from reportlab.lib.pagesizes import A4
  from reportlab.platypus import SimpleDocTemplate, Frame, PageTemplate
  
  
  class DefaultTemplate(object):
      FIRST_PAGE_TEMPLATE_ID = 'fp'
      LATER_PAGES_TEMPLATE_ID = 'sp'
  
      def create_document(self, destination_file, units):
          margin = 10 * units
  
          doc = SimpleDocTemplate(destination_file, pagesize=A4, leftMargin=margin, rightMargin=margin,
                                  topMargin=margin, bottomMargin=margin, )
  
          header_left = Frame(margin + 10, 260 * units, 45 * units, 30 * units)
          header_right = Frame(60 * units, 260 * units, 150 * units, 30 * units)
          body = Frame(margin, 45 * units, doc.width, 230 * units)
          footer = Frame(margin, 20 * units, doc.width, 15 * units)
  
          fp = PageTemplate(id=self.FIRST_PAGE_TEMPLATE_ID, frames=[header_left, header_right, body, footer])
          sp = PageTemplate(id=self.LATER_PAGES_TEMPLATE_ID, frames=[header_left, header_right, body, footer])
  
          doc.addPageTemplates([fp, sp])
  
          return doc
subject: Improve DefaultTemplate