ImportError

Python 3.11.2: /usr/bin/python
Fri Jul 4 09:53:16 2025

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

/usr/lib/python3/dist-packages/flup/server/fcgi_base.py in run(self=<flup.server.fcgi_base.Request object>)

565 """Runs the handler, flushes the streams, and ends the request."""

566 try:

=> 567 protocolStatus, appStatus = self.server.handler(self)

568 except:

569 output = io.StringIO()

protocolStatus undefined, appStatus undefined, self = <flup.server.fcgi_base.Request object>, self.server = <flup.server.fcgi.WSGIServer object>, self.server.handler = <bound method BaseFCGIServer.handler of <flup.server.fcgi.WSGIServer object>>

/usr/lib/python3/dist-packages/flup/server/fcgi_base.py in handler(self=<flup.server.fcgi.WSGIServer object>, req=<flup.server.fcgi_base.Request object>)

1129 try:

1130 try:

=> 1131 result = self.application(environ, start_response)

1132 try:

1133 for data in result:

result = None, self = <flup.server.fcgi.WSGIServer object>, self.application = <function application>, environ = {'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/home/www/public_html/', 'CONTEXT_PREFIX': '', 'DOCUMENT_ROOT': '/home/www/public_html/', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': '*/*', 'HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate', 'HTTP_CACHE_CONTROL': 'max-age=259200', 'HTTP_CONNECTION': 'close', 'HTTP_HOST': 'petkli.de', ...}, start_response = <function BaseFCGIServer.handler.<locals>.start_response>

/usr/lib/python3/dist-packages/cm4all/fcgi/launcher.py in application(environ={'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/home/www/public_html/', 'CONTEXT_PREFIX': '', 'DOCUMENT_ROOT': '/home/www/public_html/', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': '*/*', 'HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate', 'HTTP_CACHE_CONTROL': 'max-age=259200', 'HTTP_CONNECTION': 'close', 'HTTP_HOST': 'petkli.de', ...}, start_response=<function BaseFCGIServer.handler.<locals>.start_response>)

15

16 def application(environ, start_response):

=> 17 return cache[environ['SCRIPT_FILENAME']](environ, start_response)

18

19 def launch():

global cache = {}, environ = {'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/home/www/public_html/', 'CONTEXT_PREFIX': '', 'DOCUMENT_ROOT': '/home/www/public_html/', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_ACCEPT': '*/*', 'HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate', 'HTTP_CACHE_CONTROL': 'max-age=259200', 'HTTP_CONNECTION': 'close', 'HTTP_HOST': 'petkli.de', ...}, start_response = <function BaseFCGIServer.handler.<locals>.start_response>

/usr/lib/python3/dist-packages/cm4all/fcgi/launcher.py in __missing__(self={}, path='/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py')

8 mod = imp.load_compiled(name, path)

9 else:

=> 10 mod = imp.load_source(name, path)

11 self[path] = value = getattr(mod, 'application')

12 return value

mod undefined, global imp = <module 'imp' from '/usr/lib/python3.11/imp.py'>, imp.load_source = <function load_source>, name = 'monitor', path = '/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py'

/usr/lib/python3.11/imp.py in load_source(name='monitor', pathname='/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py', file=None)

170 module = _exec(spec, sys.modules[name])

171 else:

=> 172 module = _load(spec)

173 # To allow reloading to potentially work, use a non-hacked loader which

174 # won't rely on a now-closed file object.

module undefined, global _load = <function _load>, spec = ModuleSpec(name='monitor', loader=<imp._LoadSour...html/python3/dist-packages/zmq/utils/monitor.py')

/usr/bin/<frozen importlib._bootstrap> in _load(spec=ModuleSpec(name='monitor', loader=<imp._LoadSour...html/python3/dist-packages/zmq/utils/monitor.py'))

/usr/bin/<frozen importlib._bootstrap> in _load_unlocked(spec=ModuleSpec(name='monitor', loader=<imp._LoadSour...html/python3/dist-packages/zmq/utils/monitor.py'))

/usr/bin/<frozen importlib._bootstrap_external> in exec_module(self=<imp._LoadSourceCompatibility object>, module=<module 'monitor' from '/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py'>)

/usr/bin/<frozen importlib._bootstrap> in _call_with_frames_removed(f=<built-in function exec>, *args=(<code object <module> at 0x7f4655bafed0, file "/...hon3/dist-packages/zmq/utils/monitor.py", line 1>, {'__builtins__': {'ArithmeticError': <class 'ArithmeticError'>, 'AssertionError': <class 'AssertionError'>, 'AttributeError': <class 'AttributeError'>, 'BaseException': <class 'BaseException'>, 'BaseExceptionGroup': <class 'BaseExceptionGroup'>, 'BlockingIOError': <class 'BlockingIOError'>, 'BrokenPipeError': <class 'BrokenPipeError'>, 'BufferError': <class 'BufferError'>, 'BytesWarning': <class 'BytesWarning'>, 'ChildProcessError': <class 'ChildProcessError'>, ...}, '__cached__': '/home/www/public_html/python3/dist-packages/zmq/utils/__pycache__/monitor.cpython-311.pyc', '__doc__': 'Module holding utility and convenience functions for zmq event monitoring.', '__file__': '/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py', '__loader__': <imp._LoadSourceCompatibility object>, '__name__': 'monitor', '__package__': '', '__spec__': ModuleSpec(name='monitor', loader=<imp._LoadSour...html/python3/dist-packages/zmq/utils/monitor.py'), 'struct': <module 'struct' from '/usr/lib/python3.11/struct.py'>}), **kwds={})

/home/www/public_html/python3/dist-packages/zmq/utils/monitor.py in <module>

6

7 import struct

=> 8 import zmq

9 from zmq.error import _check_version

10

zmq undefined

/home/www/public_html/python3/dist-packages/zmq/__init__.py in <module>

45 # zmq top-level imports

46

=> 47 from zmq import backend

48 from zmq.backend import *

49 from zmq import sugar

zmq undefined, backend undefined

/home/www/public_html/python3/dist-packages/zmq/backend/__init__.py in <module>

38 # raise the *first* error, not the fallback

39 from zmq.utils.sixcerpt import reraise

=> 40 reraise(*exc_info)

41

42 globals().update(_ns)

reraise = <function reraise>, exc_info = (<class 'ImportError'>, ImportError("cannot import name 'constants' from...3/dist-packages/zmq/backend/cython/__init__.py)"), <traceback object>)

/home/www/public_html/python3/dist-packages/zmq/utils/sixcerpt.py in reraise(tp=<class 'ImportError'>, value=ImportError("cannot import name 'constants' from...3/dist-packages/zmq/backend/cython/__init__.py)"), tb=<traceback object>)

32 if value.__traceback__ is not tb:

33 raise value.with_traceback(tb)

=> 34 raise value

35

36 else:

value = ImportError("cannot import name 'constants' from...3/dist-packages/zmq/backend/cython/__init__.py)")

/home/www/public_html/python3/dist-packages/zmq/backend/__init__.py in <module>

25

26 try:

=> 27 _ns = select_backend(first)

28 except Exception:

29 exc_info = sys.exc_info()

_ns undefined, select_backend = <function select_backend>, first = 'zmq.backend.cython'

/usr/lib/python3/dist-packages/zmq/backend/select.py in select_backend(name='zmq.backend.cython')

29 """Select the pyzmq backend"""

30 try:

=> 31 mod = import_module(name)

32 except ImportError:

33 raise

mod undefined, global import_module = <function import_module>, name = 'zmq.backend.cython'

/usr/lib/python3.11/importlib/__init__.py in import_module(name='zmq.backend.cython', package=None)

124 break

125 level += 1

=> 126 return _bootstrap._gcd_import(name[level:], package, level)

127

128

global _bootstrap = <module '_frozen_importlib' (frozen)>, _bootstrap._gcd_import = <function _gcd_import>, name = 'zmq.backend.cython', level = 0, package = None

/home/www/public_html/python3/dist-packages/zmq/backend/cython/__init__.py in <module>

4 # Distributed under the terms of the Lesser GNU Public License (LGPL).

5

=> 6 from . import (constants, error, message, context,

=> 7 socket, utils, _poll, _version, _device )

8

constants undefined, error undefined, message undefined, context undefined, socket undefined, utils undefined, _poll undefined, _version undefined, _device undefined

ImportError: cannot import name 'constants' from partially initialized module 'zmq.backend.cython' (most likely due to a circular import) (/home/www/public_html/python3/dist-packages/zmq/backend/cython/__init__.py)
      add_note = <built-in method add_note of ImportError object>
      args = ("cannot import name 'constants' from partially in...on3/dist-packages/zmq/backend/cython/__init__.py)",)
      msg = "cannot import name 'constants' from partially in...on3/dist-packages/zmq/backend/cython/__init__.py)"
      name = 'zmq.backend.cython'
      path = '/home/www/public_html/python3/dist-packages/zmq/backend/cython/__init__.py'
      with_traceback = <built-in method with_traceback of ImportError object>