TypeError: 'float' object cannot be interpreted as an index

[hendrikschilling]

Traceback (most recent call last): File "plot_metric_overview.py", line 51, in main() File "plot_metric_overview.py", line 47, in main metric_overviews.plot_general_overview(algorithms+meta_algorithms, scenes, metrics) File "/data/lf_data/synthetic/toolkit/source/toolkit/evaluations/metric_overviews.py", line 193, in plot_general_overview colorbar_bins=metric.colorbar_bins, fontsize=fs) File "/data/lf_data/synthetic/toolkit/source/toolkit/utils/plotting.py", line 104, in add_colorbar plt.imshow(np.ones((height*scale, img_width)), alpha=0) File "/usr/lib/python2.7/site-packages/numpy/core/numeric.py", line 192, in ones a = empty(shape, dtype, order) TypeError: 'float' object cannot be interpreted as an index