Heatmap with dendrogam and y-ticks labels?

@Soerendip wrote:

I am following this example:

I have a side-dendrogram and a heatmap. Though now the y-tick labels are gone. I am trying to add them, but it does not work. Is it possible to add those again?

heatmap = go.Heatmap(z=df.values,
                     x=df.columns,
                     y=df.index,
                     colorscale = colorscale)

fig = go.Figure()

    for i in range(len(dendro_side['data'])):
        dendro_side['data'][i]['xaxis'] = 'x2'

    for data in dendro_side['data']:
        fig.add_trace(data)
        
    y_labels = heatmap['y']
    heatmap['y'] = dendro_side['layout']['yaxis']['tickvals']
    fig.add_trace(heatmap)     
    fig.update_layout({'height':800, 'showlegend':False, 'hovermode': 'closest'})
    fig.update_layout(
            title={'text': title},
            yaxis={'title': '', 
                   'tickmode': 'array', 
                   'automargin': True})    
    
    # X-axis of heatmap
    fig.update_layout(xaxis={'domain': [.11, 1],
                             'mirror': False,
                             'showgrid': False,
                             'showline': False,
                             'zeroline': False,
                             'showticklabels': True,
                             'ticks':""
                            })
    # Y-axis of heatmap
    fig.update_layout(yaxis={'domain': [0, 1],
                             'mirror': False,
                             'showgrid': False,
                             'showline': False,
                             'zeroline': False,
                             'showticklabels': True,
                             'tickmode': 'array',
                             'ticktext': y_labels,
                             'side': 'right'
                            })

    # X-axis of side-dendrogram
    fig.update_layout(xaxis2={'domain': [0, .1],
                              'mirror': False,
                              'showgrid': True,
                              'showline': False,
                              'zeroline': False,
                              'showticklabels': False,
                              'ticks':""
                             })
    
    # Y-axis of side-dendrogram
    fig.update_layout(yaxis2={'domain': [0, 1],
                             'mirror': False,
                             'showgrid': False,
                             'showline': False,
                             'zeroline': False,
                             'showticklabels': True,
                             'tickmode': 'array',
                             'ticktext': y_labels
                             })        
    
    fig.update_layout({'paper_bgcolor': 'white',
                       'plot_bgcolor': 'white'})

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