Hi, I tried to install Mailman & HyperKitty according to the installation instructions and do `mailman-web migrate`, but failed. ```log Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 66, in __getitem__ return self._engines[alias] KeyError: 'django' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 121, in get_package_libraries module = import_module(entry[1]) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/hyperkitty/templatetags/decorate.py", line 4, in <module> from hyperkitty.lib.renderer import markdown_renderer, text_renderer File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/hyperkitty/lib/renderer.py", line 6, in <module> from mistune.plugins.extra import plugin_url ModuleNotFoundError: No module named 'mistune.plugins.extra' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/bin/mailman-web", line 8, in <module> sys.exit(main()) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/mailman_web/manage.py", line 30, in main execute_from_command_line(sys.argv) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line utility.execute() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/__init__.py", line 395, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 328, in run_from_argv self.execute(*args, **cmd_options) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 366, in execute self.check() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 392, in check all_issues = self._run_checks( File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/commands/migrate.py", line 64, in _run_checks issues.extend(super()._run_checks(**kwargs)) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 382, in _run_checks return checks.run_checks(**kwargs) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/checks/registry.py", line 72, in run_checks new_errors = check(app_configs=app_configs) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/contrib/admin/checks.py", line 76, in check_dependencies for engine in engines.all(): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 90, in all return [self[alias] for alias in self] File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 90, in <listcomp> return [self[alias] for alias in self] File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 81, in __getitem__ engine = engine_cls(params) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 25, in __init__ options['libraries'] = self.get_templatetag_libraries(libraries) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 43, in get_templatetag_libraries libraries = get_installed_libraries() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 108, in get_installed_libraries for name in get_package_libraries(pkg): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 123, in get_package_libraries raise InvalidTemplateLibrary( django.template.library.InvalidTemplateLibrary: Invalid template library specified. ImportError raised when trying to load 'hyperkitty.templatetags.decorate': No module named ‘mistune.plugins.extra' ``` Ok, I installed mistune 2.0.4 and retried `mailman-web migrate` but failied yet. ```log Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 66, in __getitem__ return self._engines[alias] KeyError: 'django' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 121, in get_package_libraries module = import_module(entry[1]) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/importlib/__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 1050, in _gcd_import File "<frozen importlib._bootstrap>", line 1027, in _find_and_load File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 688, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 883, in exec_module File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/hyperkitty/templatetags/decorate.py", line 4, in <module> from hyperkitty.lib.renderer import markdown_renderer, text_renderer File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/hyperkitty/lib/renderer.py", line 7, in <module> from mistune.scanner import escape_html, escape_url ImportError: cannot import name 'escape_html' from 'mistune.scanner' (/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/mistune/scanner.py) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/srv/mailman/.pyenv/versions/3.10.5/bin/mailman-web", line 8, in <module> sys.exit(main()) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/mailman_web/manage.py", line 30, in main execute_from_command_line(sys.argv) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line utility.execute() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/__init__.py", line 395, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 328, in run_from_argv self.execute(*args, **cmd_options) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 366, in execute self.check() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 392, in check all_issues = self._run_checks( File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/commands/migrate.py", line 64, in _run_checks issues.extend(super()._run_checks(**kwargs)) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/management/base.py", line 382, in _run_checks return checks.run_checks(**kwargs) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/core/checks/registry.py", line 72, in run_checks new_errors = check(app_configs=app_configs) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/contrib/admin/checks.py", line 76, in check_dependencies for engine in engines.all(): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 90, in all return [self[alias] for alias in self] File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 90, in <listcomp> return [self[alias] for alias in self] File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/utils.py", line 81, in __getitem__ engine = engine_cls(params) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 25, in __init__ options['libraries'] = self.get_templatetag_libraries(libraries) File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 43, in get_templatetag_libraries libraries = get_installed_libraries() File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 108, in get_installed_libraries for name in get_package_libraries(pkg): File "/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/django/template/backends/django.py", line 123, in get_package_libraries raise InvalidTemplateLibrary( django.template.library.InvalidTemplateLibrary: Invalid template library specified. ImportError raised when trying to load 'hyperkitty.templatetags.decorate': cannot import name 'escape_html' from 'mistune.scanner' (/srv/mailman/.pyenv/versions/3.10.5/lib/python3.10/site-packages/mistune/scanner.py) ``` And then, I modified hyperkitty/lib/renderer.py as below: ``` --- renderer.py.orig 2022-07-26 04:41:01.244307778 +0900 +++ renderer.py 2022-07-26 04:35:14.096672198 +0900 @@ -4,7 +4,7 @@ import mistune from mistune.plugins.extra import plugin_url -from mistune.scanner import escape_html, escape_url +from mistune.util import escape_html, escape_url class MyRenderer(mistune.HTMLRenderer): ``` Then retried, I migrated databases successfully. Is this a bug?