At this line of _axes.py author saved bounds:

# Save the datalimits for the same reason:
 _saved_bounds = self.dataLim.bounds

Presumably for the same reason that (s)he saves autoscale values....

_saved_autoscalex = self.get_autoscalex_on()
_saved_autoscaley = self.get_autoscaley_on()

to restore them later.

self.set_autoscalex_on(_saved_autoscalex)
self.set_autoscaley_on(_saved_autoscaley)

The saved bounds seem to be unused and inaccessible later.

So this hint at either:

• An oversight (bounds should be restored somewhere)
• A trap to leave the reader wondering what this is doing.
• A nice simple fix for a potential new contributor.