if isinstance(colors, str):

if colors in plotly_scales:

colors = plotly_scales[colors]

else:

if ('rgb' not in colors) and ('#' not in colors):

raise exceptions.PlotlyError("If you input a string "

"for 'colors', it must "

"either be a Plotly "

"colorscale, an 'rgb' "

"color, or a hex color.")

colors_list = []

colors_list.append(colors)

colors = colors_list

if not isinstance(colors, list):

raise exceptions.PlotlyError("'colors' needs to be either a "

"plotly colorscale string or a "

"list of at least two colors if "

"use_colorscale is True.")

if len(colors) <= 0:

raise exceptions.PlotlyError("Empty list of colors.")

if (not isinstance(data, list)) and data_header is None:

raise exceptions.PlotlyError("Please enter a string name for "

"data_header")

if isinstance(colormap, str):

if colormap in plotly_scales:

colormap = plotly_scales[colormap]

colormap = FigureFactory._unlabel_rgb(colormap)

colormap = FigureFactory._unconvert_from_RGB_255(colormap)

else:

if ('rgb' not in colors) and ('#' not in colors):

scale_keys = list(plotly_scales.keys())

raise exceptions.PlotlyError("If you input a string "

"for 'colormap', it must "

"either be a Plotly "

"colorscale, an 'rgb' "

"color or a hex color."

"Valud plotly colorscale "

"names are {}".format(scale_keys))

# put colormap string into a list

colors_list = []

colors_list.append(colormap)

colormap = colors_list