[Reproducible-builds] Bug#764141: python traceback for foreign packages

[Helmut Grohne]

Package: debbindiff
Version: 3
Severity: minor
User: helmutg at debian.org
Usertags: rebootstrap

While attempting to validate cross builds with debbindiff I ran into the
following exception:

$ debbindiff ./cross/libsepol1_2.3-2_mips.deb ./native/libsepol1_2.3-2_mips.deb
Traceback (most recent call last):
  File "/usr/bin/debbindiff", line 63, in <module>
    main()
  File "/usr/bin/debbindiff", line 58, in main
    output_html(differences, print_func=print_func)
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 170, in output_html
    output_difference(difference, print_func)
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 155, in output_difference
    output_difference(detail, print_func)
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 155, in output_difference
    output_difference(detail, print_func)
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 155, in output_difference
    output_difference(detail, print_func)
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 153, in output_difference
    print_func(create_diff(difference.lines1, difference.lines2))
  File "/usr/lib/python2.7/dist-packages/debbindiff/presenters/html.py", line 115, in create_diff
    f.writelines(lines1)
TypeError: writelines() argument must be a sequence of strings
$

Helmut