Bug#802095: libpeas: FTBFS: PyGIWarning: Peas was imported without specifying a version first.

[Chris West (Faux)]

Source: libpeas
Version: 1.16.0-1
Severity: serious
Justification: fails to build from source
Tags: sid stretch
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs
X-Debbugs-CC: reproducible-builds at lists.alioth.debian.org

Dear Maintainer,

The package fails to build:

PASS: plugin-info
TEST: extension-python... (pid=422)
  /extension/python/garbage-collect:                                   /libpeas-1.16.0/tests/libpeas/plugins/extension-python/extension-python.py:24: PyGIWarning: Introspection was imported without specifying a version first. Use gi.require_version('Introspection', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import GObject, Introspection, Peas
OK
  /extension/python/provides-valid:                                    OK
  /extension/python/provides-invalid:                                  OK
  /extension/python/create-valid:                                      OK
  /extension/python/create-invalid:                                    OK
  /extension/python/create-with-prerequisite:                          OK
  /extension/python/reload:                                            OK
  /extension/python/plugin-info:                                       OK
  /extension/python/get-settings:                                      OK
  /extension/python/call-no-args:                                      OK
  /extension/python/call-with-return:                                  OK
  /extension/python/call-single-arg:                                   OK
  /extension/python/call-multi-args:                                   OK
  /extension/python/instance-refcount:                                 OK
  /extension/python/activatable-subject-refcount:                      OK
  /extension/python/nonexistent:                                       OK
  /extension/python/already-initialized:                               sys:1: PyGIWarning: Peas was imported without specifying a version first. Use gi.require_version('Peas', '1.0') before import to ensure that the right version gets loaded.
/libpeas-1.16.0/tests/libpeas/plugins/extension-python/extension-python.py:24: PyGIWarning: Introspection was imported without specifying a version first. Use gi.require_version('Introspection', '1.0') before import to ensure that the right version gets loaded.
  from gi.repository import GObject, Introspection, Peas
**
libpeas:ERROR:extension-py.c:132:test_extension_py_already_initialized: stderr of child process (/extension/python/already-initialized/subprocess [442]) failed to match: 
FAIL
GTester: last random seed: R02Sec41b0175fb9934d2dcffe0556c2fff7
/bin/bash: line 1:   322 Terminated              G_SLICE=debug-blocks gtester --verbose engine extension-c extension-set plugin-info extension-python extension-python3


Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/libpeas.html

-- System Information:
Debian Release: stretch/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)