Traceback (most recent call last):


 "venv1/bin/virtualenv", line 8, in <module>

sys.exit(run())


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/__main__.py", line 16, in run

run_via_cli(args)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/run/__init__.py", line 21, in run_via_cli

session = session_via_cli(args)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/run/__init__.py", line 31, in session_via_cli

interpreter = discover.interpreter


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/discover.py", line 25, in interpreter

self._interpreter = self.run()


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/builtin.py", line 33, in run

return get_interpreter(self.python_spec)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/builtin.py", line 46, in get_interpreter

for interpreter, impl_must_match in propose_interpreters(spec):


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/builtin.py", line 61, in propose_interpreters

yield PythonInfo.from_exe(spec.path), True


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/py_info.py", line 285, in from_exe

return from_exe(exe, raise_on_error=raise_on_error, ignore_cache=ignore_cache)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/cached_py_info.py", line 32, in from_exe

result = _get_from_cache(exe, ignore_cache=ignore_cache)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/cached_py_info.py", line 48, in _get_from_cache

py_info = _get_via_file_cache(resolved_resolved_path, exe)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/discovery/cached_py_info.py", line 64, in _get_via_file_cache

with fs_path.lock_for_key(key):


 "/usr/lib/python3.6/contextlib.py", line 81, in __enter__

return next(self.gen)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/util/lock.py", line 92, in lock_for_key

self._lock_file(lock)


 "/home/asottile/workspace/pre-commit/venv1/lib/python3.6/site-packages/virtualenv/util/lock.py", line 79, in _lock_file

logging.debug("lock file %s present, will block until released", self._lock.lock_file)
AttributeError: 'NoneType' object has no attribute 'lock_file'

Traceback (most recent call last):


 "/usr/local/lib/python3.5/dist-packages/paperwork/frontend/mainwindow/__init__.py", line 3759, in _show_doc_hook

self._show_doc_internal(doc, force_refresh)


 "/usr/local/lib/python3.5/dist-packages/paperwork/frontend/mainwindow/__init__.py", line 3744, in _show_doc_internal

self._show_pages(doc)


 "/usr/local/lib/python3.5/dist-packages/paperwork/frontend/mainwindow/__init__.py", line 3696, in _show_pages

first_scan_drawer = self.__reset_page_drawers(doc)


 "/usr/local/lib/python3.5/dist-packages/paperwork/frontend/mainwindow/__init__.py", line 3612, in __reset_page_drawers

sentence=search)


 "/usr/local/lib/python3.5/dist-packages/paperwork/frontend/mainwindow/pages.py", line 1228, in __init__

Gtk.IconLookupFlags.NO_SVG).load_icon(),
AttributeError: 'NoneType' object has no attribute 'load_icon'
