epoch2num and num2epoch are removed#

These methods convert from unix timestamps to matplotlib floats, but are not used internally to Matplotlib, and should not be needed by end users. To convert a unix timestamp to datetime, simply use datetime.datetime.utcfromtimestamp, or to use NumPy datetime64 dt = np.datetime64(e*1e6, 'us').

Locator and Formatter wrapper methods#

The set_view_interval, set_data_interval and set_bounds methods of Locators and Formatters (and their common base class, TickHelper) are removed. Directly manipulate the view and data intervals on the underlying axis instead.