sites = ['Grand Rapids', 'Duluth', 'University Farm', 'Morris', 'Crookston', 'Waseca'] * 2 yields.extend(np.random.normal(loc=30, scale=5, size=1) + np.random.randint ...
Passing a non-string value (like a NumPy array) to orientation in Axes.grouped_bar() triggers a misleading “ambiguous truth value” error from _api.check_in_list ...