Traceback (most recent call last):
  File "/usr/lib/python-exec/python3.9/pympress", line 33, in <module>
    sys.exit(load_entry_point('pympress==1.6.2', 'gui_scripts', 'pympress')())
  File "/usr/lib/python-exec/python3.9/pympress", line 25, in importlib_load_entry_point
    return next(matches).load()
  File "/usr/lib/python3.9/importlib/metadata.py", line 77, in load
    module = import_module(match.group('module'))
  File "/usr/lib/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 855, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/usr/lib/python3.9/site-packages/pympress/__main__.py", line 99, in <module>
    from pympress import app
  File "/usr/lib/python3.9/site-packages/pympress/app.py", line 40, in <module>
    from pympress import util, config, document, ui, builder
  File "/usr/lib/python3.9/site-packages/pympress/document.py", line 49, in <module>
    gi.require_version('Poppler', '0.18')
  File "/usr/lib/python3.9/site-packages/gi/__init__.py", line 126, in require_version
    raise ValueError('Namespace %s not available' % namespace)
ValueError: Namespace Poppler not available