ImportError

Python 3.11.2: /usr/bin/python
Fri Jul 4 18:28:35 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/IPython/lib/__pycache__/inputhookqt4.cpython-311.pyc')

6 name, ext = os.path.splitext(os.path.split(path)[-1])

7 if ext in ('.pyc', '.py3c'):

=> 8 mod = imp.load_compiled(name, path)

9 else:

10 mod = imp.load_source(name, path)

mod undefined, global imp = <module 'imp' from '/usr/lib/python3.11/imp.py'>, imp.load_compiled = <function load_compiled>, name = 'inputhookqt4.cpython-311', path = '/home/www/public_html/python3/dist-packages/IPython/lib/__pycache__/inputhookqt4.cpython-311.pyc'

/usr/lib/python3.11/imp.py in load_compiled(name='inputhookqt4.cpython-311', pathname='/home/www/public_html/python3/dist-packages/IPython/lib/__pycache__/inputhookqt4.cpython-311.pyc', file=None)

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

191 else:

=> 192 module = _load(spec)

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

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

module undefined, global _load = <function _load>, spec = ModuleSpec(name='inputhookqt4.cpython-311', load...on/lib/__pycache__/inputhookqt4.cpython-311.pyc')

/usr/bin/<frozen importlib._bootstrap> in _load(spec=ModuleSpec(name='inputhookqt4.cpython-311', load...on/lib/__pycache__/inputhookqt4.cpython-311.pyc'))

/usr/bin/<frozen importlib._bootstrap> in _load_unlocked(spec=ModuleSpec(name='inputhookqt4.cpython-311', load...on/lib/__pycache__/inputhookqt4.cpython-311.pyc'))

/usr/bin/<frozen importlib._bootstrap_external> in exec_module(self=<imp._LoadCompiledCompatibility object>, module=<module 'inputhookqt4.cpython-311' from '/home/w...on/lib/__pycache__/inputhookqt4.cpython-311.pyc'>)

/usr/bin/<frozen importlib._bootstrap> in _call_with_frames_removed(f=<built-in function exec>, *args=(<code object <module> at 0x7f24d836bfd0, file "/...st-packages/IPython/lib/inputhookqt4.py", line 1>, {'InteractiveShell': <class 'IPython.core.interactiveshell.InteractiveShell'>, '__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/IPython/lib/__pycache__/inputhookqt4.cpython-311.pyc', '__doc__': "\nQt4's inputhook support function\n\nAuthor: Christian Boos\n", '__file__': '/home/www/public_html/python3/dist-packages/IPython/lib/__pycache__/inputhookqt4.cpython-311.pyc', '__loader__': <imp._LoadCompiledCompatibility object>, '__name__': 'inputhookqt4.cpython-311', '__package__': 'inputhookqt4', '__spec__': ModuleSpec(name='inputhookqt4.cpython-311', load...on/lib/__pycache__/inputhookqt4.cpython-311.pyc'), 'os': <module 'os' (frozen)>, ...}), **kwds={})

/home/www/public_html/python3/dist-packages/IPython/lib/inputhookqt4.py in <module>

22

23 from IPython.core.interactiveshell import InteractiveShell

=> 24 from IPython.external.qt_for_kernel import QtCore, QtGui

25 from IPython.lib.inputhook import allow_CTRL_C, ignore_CTRL_C, stdin_ready

26

IPython undefined, QtCore undefined, QtGui undefined

/usr/lib/python3/dist-packages/IPython/external/qt_for_kernel.py in <module>

124

125

126 api_opts = get_options()

=> 127 QtCore, QtGui, QtSvg, QT_API = load_qt(api_opts)

128 enum_helper = enum_factory(QT_API, QtCore)

QtCore undefined, QtGui undefined, QtSvg undefined, QT_API undefined, load_qt = <function load_qt>, api_opts = ['pyqtdefault', 'pyqt6', 'pyside6', 'pyqt5', 'pyside2', 'pyqt', 'pyside']

/usr/lib/python3/dist-packages/IPython/external/qt_loaders.py in load_qt(api_options=['pyqtdefault', 'pyqt6', 'pyside6', 'pyqt5', 'pyside2', 'pyqt', 'pyside'])

368 return result

369 else:

=> 370 raise ImportError("""

=> 371 Could not load requested Qt binding. Please ensure that

=> 372 PyQt4 >= 4.7, PyQt5, PySide >= 1.0.3 or PySide2 is available,

builtin ImportError = <class 'ImportError'>, global loaded_api = <function loaded_api>, global has_binding = <function has_binding>, global QT_API_PYQT = 'pyqt', global QT_API_PYQT5 = 'pyqt5', global QT_API_PYSIDE = 'pyside', global QT_API_PYSIDE2 = 'pyside2', api_options = ['pyqtdefault', 'pyqt6', 'pyside6', 'pyqt5', 'pyside2', 'pyqt', 'pyside']

ImportError: Could not load requested Qt binding. Please ensure that PyQt4 >= 4.7, PyQt5, PySide >= 1.0.3 or PySide2 is available, and only one is imported per session. Currently-imported Qt library: None PyQt4 available (requires QtCore, QtGui, QtSvg): False PyQt5 available (requires QtCore, QtGui, QtSvg, QtWidgets): False PySide >= 1.0.3 installed: False PySide2 installed: False Tried to load: ['pyqtdefault', 'pyqt6', 'pyside6', 'pyqt5', 'pyside2', 'pyqt', 'pyside']
      add_note = <built-in method add_note of ImportError object>
      args = ("\n Could not load requested Qt binding. Please...ide6', 'pyqt5', 'pyside2', 'pyqt', 'pyside']\n ",)
      msg = "\n Could not load requested Qt binding. Please...ide6', 'pyqt5', 'pyside2', 'pyqt', 'pyside']\n "
      name = None
      path = None
      with_traceback = <built-in method with_traceback of ImportError object>