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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