2020-11-07 19:10:54,768 - octoprint.startup - INFO - ******************************************************************************
2020-11-07 19:10:54,771 - octoprint.startup - INFO - Starting OctoPrint 1.4.2
2020-11-07 19:10:54,771 - octoprint.startup - INFO - ******************************************************************************
2020-11-07 19:10:55,720 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity state is currently: offline
2020-11-07 19:10:55,722 - octoprint.util.connectivity.connectivity_checker - INFO - Connecting to 8.8.8.8:53 is not working
2020-11-07 19:10:55,722 - octoprint.util.connectivity.connectivity_checker - INFO - Resolving octoprint.org is not working
2020-11-07 19:10:55,728 - octoprint.startup - INFO - We don't appear to be online, not fetching plugin blacklist
2020-11-07 19:10:55,818 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2020-11-07 19:10:57,109 - octoprint.plugin.core - ERROR - Error loading plugin announcements
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/announcements/__init__.py", line 27, in <module>
    from octoprint.server.util.flask import no_firstrun_access, with_revalidation_checking, check_etag
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 91, in <module>
    from octoprint.printer.standard import Printer
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/printer/standard.py", line 29, in <module>
    from octoprint.util import comm as comm
ValueError: bad marshal data (unknown type code)
2020-11-07 19:10:57,141 - octoprint.plugin.core - INFO - Plugin Virtual Printer is disabled.
2020-11-07 19:10:57,176 - octoprint.plugin.core - ERROR - Error loading plugin appkeys
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/appkeys/__init__.py", line 16, in <module>
    from octoprint.server.util.flask import restricted_access, no_firstrun_access
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,313 - octoprint.plugin.core - ERROR - Error loading plugin pluginmanager
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/pluginmanager/__init__.py", line 14, in <module>
    from octoprint.server.util.flask import no_firstrun_access, with_revalidation_checking, check_etag
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,373 - octoprint.plugin.core - ERROR - Error loading plugin backup
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup/__init__.py", line 11, in <module>
    from octoprint.server import admin_permission, NO_CONTENT
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,602 - octoprint.plugin.core - ERROR - Error loading plugin softwareupdate
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/softwareupdate/__init__.py", line 28, in <module>
    from octoprint.server.util.flask import no_firstrun_access, with_revalidation_checking, check_etag
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,625 - octoprint.plugin.core - ERROR - Error loading plugin action_command_prompt
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/action_command_prompt/__init__.py", line 9, in <module>
    from octoprint.server import user_permission
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,673 - octoprint.plugin.core - ERROR - Error loading plugin logging
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/logging/__init__.py", line 10, in <module>
    from octoprint.server import NO_CONTENT
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:57,858 - octoprint.plugin.core - ERROR - Error loading plugin yamlpatcher
Traceback (most recent call last):
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 972, in _import_plugin
    module = _load_module(module_name, spec)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/plugin/core.py", line 71, in _load_module
    return imp.load_module(name, f, filename, details)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint_yamlpatcher/__init__.py", line 11, in <module>
    from octoprint.server import admin_permission
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util
2020-11-07 19:10:59,125 - octoprint.plugin.core - INFO - Found 15 plugin(s) providing 14 mixin implementations, 19 hook handlers
2020-11-07 19:10:59,259 - octoprint.cli.server - ERROR - Uncaught exception
Traceback (most recent call last):
  File "/home/pi/oprint/bin/octoprint", line 8, in <module>
    sys.exit(main())
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/__init__.py", line 629, in main
    octo(args=args, prog_name="octoprint", auto_envvar_prefix="OCTOPRINT")
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/click/decorators.py", line 21, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/cli/server.py", line 207, in serve_command
    ignore_blacklist)
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/cli/server.py", line 106, in run_server
    from octoprint.server import Server
  File "/home/pi/oprint/local/lib/python2.7/site-packages/octoprint/server/__init__.py", line 26, in <module>
    from octoprint.server import util
ImportError: cannot import name util