docs: def _get_colors(segmentation):
      """Get a list of colors which is as long as the segmentation.
  
      Parameters
      ----------
      segmentation : list of lists
  
      Returns
      -------
      list
          A list of colors.
      """
      symbol_count = len(segmentation)
      num_colors = symbol_count
  
      # See http://stackoverflow.com/a/20298116/562769
      color_array = [
          "#000000", "#FFFF00", "#1CE6FF", "#FF34FF", "#FF4A46", "#008941",
          "#006FA6", "#A30059", "#FFDBE5", "#7A4900", "#0000A6", "#63FFAC",
          "#B79762", "#004D43", "#8FB0FF", "#997D87", "#5A0007", "#809693",
          "#FEFFE6", "#1B4400", "#4FC601", "#3B5DFF", "#4A3B53", "#FF2F80",
          "#61615A", "#BA0900", "#6B7900", "#00C2A0", "#FFAA92", "#FF90C9",
          "#B903AA", "#D16100", "#DDEFFF", "#000035", "#7B4F4B", "#A1C299",
          "#300018", "#0AA6D8", "#013349", "#00846F", "#372101", "#FFB500",
          "#C2FFED", "#A079BF", "#CC0744", "#C0B9B2", "#C2FF99", "#001E09",
          "#00489C", "#6F0062", "#0CBD66", "#EEC3FF", "#456D75", "#B77B68",
          "#7A87A1", "#788D66", "#885578", "#FAD09F", "#FF8A9A", "#D157A0",
          "#BEC459", "#456648", "#0086ED", "#886F4C",
  
          "#34362D", "#B4A8BD", "#00A6AA", "#452C2C", "#636375", "#A3C8C9",
          "#FF913F", "#938A81", "#575329", "#00FECF", "#B05B6F", "#8CD0FF",
          "#3B9700", "#04F757", "#C8A1A1", "#1E6E00", "#7900D7", "#A77500",
          "#6367A9", "#A05837", "#6B002C", "#772600", "#D790FF", "#9B9700",
          "#549E79", "#FFF69F", "#201625", "#72418F", "#BC23FF", "#99ADC0",
          "#3A2465", "#922329", "#5B4534", "#FDE8DC", "#404E55", "#0089A3",
          "#CB7E98", "#A4E804", "#324E72", "#6A3A4C", "#83AB58", "#001C1E",
          "#D1F7CE", "#004B28", "#C8D0F6", "#A3A489", "#806C66", "#222800",
          "#BF5650", "#E83000", "#66796D", "#DA007C", "#FF1A59", "#8ADBB4",
          "#1E0200", "#5B4E51", "#C895C5", "#320033", "#FF6832", "#66E1D3",
          "#CFCDAC", "#D0AC94", "#7ED379", "#012C58"]
  
      # Apply a little trick to make sure we have enough colors, no matter
      # how many symbols are in one recording.
      # This simply appends the color array as long as necessary to get enough
      # colors
      new_array = color_array[:]
      while len(new_array) <= num_colors:
          new_array += color_array
  
      return new_array[:num_colors]