Hello,
The link provided for the PYNQ Z2 files sends back a 404 error.
webpage: https://pynq.readthedocs.io/en/v2.6.1/overlay_design_methodology/board_settings.html
link to xdc file: http://www.tul.com.tw/download/PYNQ-Z2_v1.0.xdc.zip
Best,
Brando