Using the autoreload extension.

%load_ext autoreload
%aimport mymodule
%autoreload 1

The autoreload command understands three levels:

• 0 -> extension is disabled
• 1 -> reload modules that were marked with %aimport
• 2 -> reload everything

The easiest usage of autoreload is to not aimport anything and set %autoreload 2, which causes the extension to …