Package: ipython
Version: 5.1.0-3
Severity: normal
Dear Maintainer,
* What led up to the situation?
Nothing unusual, just "apt install python-ipython ipython"
* What exactly did you do (or not do) that was effective (or
ineffective)?
In [1]: s = isinstance?
* What was the outcome of this action?
In [1]: s = isinstance?
Docstring:
isinstance(object, class-or-type-or-tuple) -> bool
Return whether an object is an instance of a class or of a subclass thereof.
With a type as second argument, return whether that is the object's type.
The form using a tuple, isinstance(x, (A, B, ...)), is a shortcut for
isinstance(x, A) or isinstance(x, B) or ... (etc.).
Type: builtin_function_or_method
In [2]: s = isinstance?
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python2.7/dist-packages/traitlets/config/application.py", line
658, in launch_instance
app.start()
File "/usr/lib/python2.7/dist-packages/IPython/terminal/ipapp.py", line 348,
in start
self.shell.mainloop()
File "/usr/lib/python2.7/dist-packages/IPython/terminal/interactiveshell.py",
line 440, in mainloop
self.interact()
File "/usr/lib/python2.7/dist-packages/IPython/terminal/interactiveshell.py",
line 423, in interact
code = self.prompt_for_code()
File "/usr/lib/python2.7/dist-packages/IPython/terminal/interactiveshell.py",
line 333, in prompt_for_code
pre_run=self.pre_prompt, reset_current_buffer=True)
File "/usr/lib/python2.7/dist-packages/prompt_toolkit/interface.py", line
408, in run
self._pre_run(pre_run)
File "/usr/lib/python2.7/dist-packages/prompt_toolkit/interface.py", line
383, in _pre_run
pre_run()
File "/usr/lib/python2.7/dist-packages/IPython/terminal/interactiveshell.py",
line 410, in pre_prompt
self.pt_cli.application.buffer.text = cast_unicode_py2(self.rl_next_input)
File "/usr/lib/python2.7/dist-packages/prompt_toolkit/buffer.py", line 372,
in text
assert self.cursor_position <= len(value)
AssertionError
If you suspect this is an IPython bug, please report it at:
https://github.com/ipython/ipython/issues
or send an email to the mailing list at ipython-...@scipy.org
You can print a more detailed traceback right now with "%tb", or use "%debug"
to interactively debug it.
Extra-detailed tracebacks for bug-reporting purposes can be enabled via:
%config Application.verbose_crash=True
* What outcome did you expect instead?
ipython prints help, removes "?" from the repl and works fine
-- System Information:
Debian Release: buster/sid
APT prefers testing
APT policy: (900, 'testing'), (500, 'testing-debug'), (500, 'unstable')
Architecture: amd64 (x86_64)
Kernel: Linux 4.13.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages ipython depends on:
ii python-ipython 5.1.0-3
ipython recommends no packages.
ipython suggests no packages.
-- no debconf information
