``__call__`` to inform users in case their Locator returns a huge
        number of ticks, causing Matplotlib to run out of memory.

        The "strange" name of this method dates back to when it would raise an
        exception instead of emitting a log.
        z]Locator attempting to generate %s ticks ([%s, ..., %s]), which exceeds Locator.MAXTICKS (%s).r