python-epydoc creates unreproducible documentation by:
Detection
Example debbindiff output with timestamps and file ordering issues, Example debbindiff output with timestamps and memory references
Solution
Update Build-Depends to (>= epydoc/3.0.1+dfsg-6) and add the --no-include-build-time option to the command-line.
A patch for supporting SOURCE_DATE_EPOCH has been proposed in 790899.