The stack trace you just posted is related to Jinja2 and attempts to use pkg_resources (in fact it is failing inside pkg_resources) not config.scan()…
As for the venusian issue (and related pkg_resources issues) of not being able to scan folders without __init__.py see https://github.com/Pylons/venusian/issues/68 Bert > On Nov 27, 2022, at 03:50, [email protected] <[email protected]> wrote: > > Upon upgrading to 2.0 I just removed my empty __init__.py files or at least I > tried to (hoping I won't need them any more). > > Eventually I realised I had to put some of them back as config.scan() broke > without them. > > My recommendation is that if possible, can you make a better error message > for this? Because I basically got a 73 line long stack trace, which contained > absolutely no information about what is the problem. I mean, just as a nice > to have, for other users who happen run into this very long stacktrace. > > 2022-11-27 11:44:39,679 ERROR [waitress] Exception while serving / > Traceback (most recent call last): > File "python3.10/site-packages/waitress/channel.py", line 428, in service > task.service() > File "python3.10/site-packages/waitress/task.py", line 168, in service > self.execute() > File "python3.10/site-packages/waitress/task.py", line 434, in execute > app_iter = self.channel.server.application(environ, start_response) > File "python3.10/site-packages/pyramid/router.py", line 270, in __call__ > response = self.execution_policy(environ, self) > File "python3.10/site-packages/pyramid/router.py", line 276, in > default_execution_policy > return router.invoke_request(request) > File "python3.10/site-packages/pyramid/router.py", line 245, in > invoke_request > response = handle_request(request) > File "python3.10/site-packages/pyramid_tm/__init__.py", line 178, in > tm_tween > raise exc from None > File "python3.10/site-packages/pyramid_tm/__init__.py", line 145, in > tm_tween > response = handler(request) > File "python3.10/site-packages/pyramid/tweens.py", line 43, in excview_tween > response = _error_handler(request, exc) > File "python3.10/site-packages/pyramid/tweens.py", line 17, in > _error_handler > reraise(*exc_info) > File "python3.10/site-packages/pyramid/util.py", line 733, in reraise > raise value > File "python3.10/site-packages/pyramid/tweens.py", line 41, in excview_tween > response = handler(request) > File "python3.10/site-packages/pyramid/router.py", line 143, in > handle_request > response = _call_view( > File "python3.10/site-packages/pyramid/view.py", line 674, in _call_view > response = view_callable(context, request) > File "python3.10/site-packages/pyramid/viewderivers.py", line 512, in > csrf_view > return view(context, request) > File "md_server/view_derivers.py", line 30, in wrapper_view > response = view(context, request) > File "md_server/view_derivers.py", line 43, in wrapper_view > response = view(context, request) > File "md_server/view_derivers.py", line 65, in wrapper_view > response = view(context, request) > File "md_server/view_derivers.py", line 142, in wrapper_view > response = view(context, request) > File "python3.10/site-packages/pyramid/viewderivers.py", line 450, in > rendered_view > response = view_renderer.render_view( > File "python3.10/site-packages/pyramid/renderers.py", line 443, in > render_view > return self.render_to_response(response, system, request=request) > File "python3.10/site-packages/pyramid/renderers.py", line 466, in > render_to_response > result = self.render(value, system_values, request=request) > File "python3.10/site-packages/pyramid/renderers.py", line 462, in render > result = renderer(value, system_values) > File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 260, in > __call__ > template = self.template_loader() > File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 275, in > template_loader > return self.environment.get_template(name_with_package) > File "python3.10/site-packages/jinja2/environment.py", line 1010, in > get_template > return self._load_template(name, globals) > File "python3.10/site-packages/jinja2/environment.py", line 969, in > _load_template > template = self.loader.load(self, name, self.make_globals(globals)) > File "python3.10/site-packages/jinja2/loaders.py", line 126, in load > source, filename, uptodate = self.get_source(environment, name) > File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 197, in > get_source > src = self._get_absolute_source(template) > File "python3.10/site-packages/pyramid_jinja2/__init__.py", line 137, in > _get_absolute_source > filename = abspath_from_asset_spec(template) > File "python3.10/site-packages/pyramid/asset.py", line 43, in > abspath_from_asset_spec > return pkg_resources.resource_filename(pname, filename) > File "python3.10/site-packages/pkg_resources/__init__.py", line 1154, in > resource_filename > return get_provider(package_or_requirement).get_resource_filename( > File "python3.10/site-packages/pkg_resources/__init__.py", line 361, in > get_provider > return _find_adapter(_provider_factories, loader)(module) > File "python3.10/site-packages/pkg_resources/__init__.py", line 1403, in > __init__ > self.module_path = os.path.dirname(getattr(module, '__file__', '')) > File "/Users/user/.pyenv/versions/3.10.8/lib/python3.10/posixpath.py", line > 152, in dirname > p = os.fspath(p) > TypeError: expected str, bytes or os.PathLike object, not NoneType > > Zsolt > > > > -- > You received this message because you are subscribed to the Google Groups > "pylons-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > 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