old_contents: import re
  from bubblesub.api.cmd import PluginCommand
  
  
  class FadeFromBlackCommand(PluginCommand):
      name = 'grid/fade-from-black'
      menu_name = 'Fade from black'
  
      @property
      def is_enabled(self):
          return self.api.subs.has_selection
  
      async def run(self):
          for line in self.api.subs.selected_lines:
              style = self.api.subs.styles.get_by_name(line.style)
              c1 = style.primary_color
              c2 = style.secondary_color
              c3 = style.outline_color
              c4 = style.back_color
              line.text = (
                  '{'
                  r'\1c&H101010&'
                  r'\3c&H101010&'
                  r'\t(0,2000,'
                  rf'\1c&H{c1[2]:02X}{c1[1]:02X}{c1[0]:02X}'
                  rf'\3c&H{c3[2]:02X}{c3[1]:02X}{c3[0]:02X}'
                  '}'
              ) + line.text
  
new_contents: import re
  from bubblesub.api.cmd import PluginCommand
  
  
  class FadeFromBlackCommand(PluginCommand):
      name = 'grid/fade-from-black'
      menu_name = 'Fade from black'
  
      @property
      def is_enabled(self):
          return self.api.subs.has_selection
  
      async def run(self):
          for line in self.api.subs.selected_lines:
              style = self.api.subs.styles.get_by_name(line.style)
              c1 = style.primary_color
              c2 = style.secondary_color
              c3 = style.outline_color
              c4 = style.back_color
              line.text = (
                  '{'
                  r'\1c&H101010&'
                  r'\3c&H101010&'
                  r'\t(0,2000,'
                  rf'\1c&H{c1[2]:02X}{c1[1]:02X}{c1[0]:02X}&'
                  rf'\3c&H{c3[2]:02X}{c3[1]:02X}{c3[0]:02X}&'
                  ')}'
              ) + line.text
  
subject: fix ass syntax for fade