This might be fixed by the change at
https://trac.sagemath.org/ticket/33996. That will presumably be merged in
the next beta release, since the ticket was just closed two days ago.
On Thursday, June 30, 2022 at 11:30:11 AM UTC-7 Richard Stanton wrote:
> I've just installed Sagemath 9.6 (Release Date: 2022-05-15) on my Mac
> running macOS 12.4. If I create a new Sagemath Jupyter notebook starting
> from Sagemath, everything seems to work fine. However, I'd like to start by
> just running "jupyter notebook" at the command line. When I do this and
> create a new notebook, selecting Sagemath 9.6 as the kernel, the kernel
> starts up fine and I can run code. However, while `print(2)` correctly
> displays the number 2, just typing `2` results in the error message shown
> in the title. Any suggestions? Thanks!
>
> Here's the full error dump:
>
> {{{
>
> --------------------------------------------------------------------------
> OSError Traceback (most recent call last)
> /var/folders/z_/x5g7y7vd6wqd2kzfnmfdqjjh0000gn/T/ipykernel_14807/1798176506.py
>
> in <module>
> ----> 1 Integer(2)
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/IPython/core/displayhook.py
>
> in __call__(self, result)
> 260 self.start_displayhook()
> 261 self.write_output_prompt()
> --> 262 format_dict, md_dict = self.compute_format_data(result)
> 263 self.update_user_ns(result)
> 264 self.fill_exec_result(result)
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/IPython/core/displayhook.py
>
> in compute_format_data(self, result)
> 149
> 150 """
> --> 151 return self.shell.display_formatter.format(result)
> 152
> 153 # This can be set to True by the write_output_prompt method in
> a subclass
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/repl/display/formatter.py
>
> in format(self, obj, include, exclude)
> 186 I am repper
> 187 """
> --> 188 sage_format, sage_metadata = self.dm.displayhook(obj)
> 189 assert PLAIN_TEXT in sage_format, 'plain text is always
> present'
> 190
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/repl/rich_output/display_manager.py
>
> in displayhook(self, obj)
> 825 return
> 826 self._backend.set_underscore_variable(obj)
> --> 827 plain_text, rich_output = self._rich_output_formatter(obj,
> dict())
> 828 return self._backend.displayhook(plain_text, rich_output)
> 829
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/repl/rich_output/display_manager.py
>
> in _rich_output_formatter(self, obj, rich_repr_kwds)
> 652 plain_text = self._backend.plain_text_formatter(obj,
> **rich_repr_kwds)
> 653 if rich_output is None:
> --> 654 rich_output = self._preferred_text_formatter(
> 655 obj, plain_text=plain_text, **rich_repr_kwds)
> 656 # promote output container types to backend-specific
> containers
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/repl/rich_output/display_manager.py
>
> in _preferred_text_formatter(self, obj, plain_text, **kwds)
> 550 return out
> 551 if want == 'unicode_art' and OutputUnicodeArt in supported:
> --> 552 out = self._backend.unicode_art_formatter(obj, **kwds)
> 553 if type(out) is not OutputUnicodeArt:
> 554 raise OutputTypeException('backend returned wrong
> output type, require UnicodeArt')
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/repl/rich_output/backend_base.py
>
> in unicode_art_formatter(self, obj, **kwds)
> 425 result = unicode_art(obj)
> 426 from sage.repl.rich_output.output_basic import
> OutputUnicodeArt
> --> 427 return OutputUnicodeArt(str(result))
> 428
> 429 def latex_formatter(self, obj, **kwds):
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/structure/sage_object.pyx
>
> in sage.structure.sage_object.SageObject.__repr__
> (build/cythonized/sage/structure/sage_object.c:2558)()
> 192 except AttributeError:
> 193 return super().__repr__()
> --> 194 result = reprfunc()
> 195 if isinstance(result, str):
> 196 return result
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/typeset/character_art.py
>
> in _repr_(self)
> 153 hsize = MAX_WIDTH
> 154 else:
> --> 155 hsize = self._terminal_width()
> 156 # if the draw is larger than the max length, try to split
> it
> 157 if hsize <= self._l and self._breakpoints:
>
> /private/var/tmp/sage-9.6-current/local/var/lib/sage/venv-python3.10.3/lib/python3.10/site-packages/sage/typeset/character_art.py
>
> in _terminal_width(self)
> 281 import termios
> 282 import struct
> --> 283 rc = fcntl.ioctl(int(0), termios.TIOCGWINSZ,
> 284 struct.pack('HHHH', sys.stdout.fileno(),
> 0, 0, 0))
> 285 h, w, hp, wp = struct.unpack('HHHH', rc)
>
> OSError: [Errno 25] Inappropriate ioctl for device
>
> }}}
>
>
>
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