Conferences are a long-lead-time project. The contract described here was signed in July 2023 - 2 years 9 months before the event date. Even if it was possible to setup a new event, the current contract would not be nullified.

Additionally, the Python Software Foundation is a US Based Nonprofit - spending money outside of the Country is generally more difficult than in-country. PyCon was held in Canada in 2014/2015; and there are apparently many smaller local PyCon events.