Package: python3-ipython Version: 7.11.1-1 Severity: important Dear Maintainer,
Sagemath is not usable on my system because of an import error. I am not sure if the issue lies with sage or with ipython. Here is the backtrace: Traceback (most recent call last): File "/usr/lib/python3.7/runpy.py", line 193, in _run_module_as_main "__main__", mod_spec) File "/usr/lib/python3.7/runpy.py", line 85, in _run_code exec(code, run_globals) File "/usr/lib/python3/dist-packages/sage/repl/ipython_kernel/__main__.py", line 3, in <module> IPKernelApp.launch_instance(kernel_class=SageKernel) File "/usr/lib/python3/dist-packages/traitlets/config/application.py", line 663, in launch_instance app.initialize(argv) File "<decorator-gen-124>", line 2, in initialize File "/usr/lib/python3/dist-packages/traitlets/config/application.py", line 87, in catch_config_error return method(app, *args, **kwargs) File "/usr/lib/python3/dist-packages/ipykernel/kernelapp.py", line 542, in initialize self.init_kernel() File "/usr/lib/python3/dist-packages/ipykernel/kernelapp.py", line 447, in init_kernel user_ns=self.user_ns, File "/usr/lib/python3/dist-packages/traitlets/config/configurable.py", line 412, in instance inst = cls(*args, **kwargs) File "/usr/lib/python3/dist-packages/sage/repl/ipython_kernel/kernel.py", line 51, in __init__ super(SageKernel, self).__init__(**kwds) File "/usr/lib/python3/dist-packages/ipykernel/ipkernel.py", line 68, in __init__ kernel = self, File "/usr/lib/python3/dist-packages/traitlets/config/configurable.py", line 412, in instance inst = cls(*args, **kwargs) File "/usr/lib/python3/dist-packages/IPython/core/interactiveshell.py", line 683, in __init__ self.init_display_formatter() File "/usr/lib/python3/dist-packages/sage/repl/interpreter.py", line 231, in init_display_formatter backend.get_display_manager().switch_backend(backend, shell=self) File "/usr/lib/python3/dist-packages/sage/repl/rich_output/display_manager.py", line 322, in switch_backend self._backend.install(**kwds) File "/usr/lib/python3/dist-packages/sage/repl/rich_output/backend_ipython.py", line 59, in install from sage.repl.display.formatter import SageDisplayFormatter File "/usr/lib/python3/dist-packages/sage/repl/display/formatter.py", line 66, in <module> from sage.repl.display.pretty_print import SagePrettyPrinter File "/usr/lib/python3/dist-packages/sage/repl/display/pretty_print.py", line 29, in <module> from sage.repl.display.fancy_repr import * File "/usr/lib/python3/dist-packages/sage/repl/display/fancy_repr.py", line 17, in <module> from IPython.lib.pretty import ( ImportError: cannot import name '_baseclass_reprs' from 'IPython.lib.pretty' (/usr/lib/python3/dist-packages/IPython/lib/pretty.py) -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.4.2-amdmp2 (SMP w/8 CPU cores) Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages python3-ipython depends on: ii python3 3.7.5-3 ii python3-backcall 0.1.0-2 ii python3-decorator 4.3.0-1.1 ii python3-jedi 0.15.2-1 ii python3-pexpect 4.6.0-1 ii python3-pickleshare 0.7.5-1 ii python3-pkg-resources 44.0.0-1 ii python3-prompt-toolkit 2.0.10-2 ii python3-pygments 2.3.1+dfsg-1 ii python3-traitlets 4.3.3-2 python3-ipython recommends no packages. python3-ipython suggests no packages. -- no debconf information