Re: Symbolic Package Problems

On 2/21/21 1:17 PM, Thomas D. Dean wrote:
> I can not get symbolic to work either with python 2.7.18 or python3.
> Any ideas?
> 
>  > PYTHON=python3 octave
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> 
> octave:1> pkg load symbolic
> octave:2> x=sym('x')
> Symbolic pkg v2.9.0: 
> /usr/local/lib/python3.8/dist-packages/sympy/__init__.py:672: 
> SymPyDeprecationWarning:
> 
> importing sympy.core.compatibility with 'from sympy import *' has been
> deprecated since SymPy 1.6. Use import sympy.core.compatibility
> instead. See https://github.com/sympy/sympy/issues/18245 for more
> info.
> 
>    self.Warn(
> Traceback (most recent call last):
>    File "<stdin>", line 1, in <module>
>    File "<stdin>", line 12, in octoutput_drv
>    File "<stdin>", line 54, in octoutput
>    File "<stdin>", line 55, in octoutput
>    File "/usr/local/lib/python3.8/dist-packages/sympy/__init__.py", line 
> 677, in __getattr__
>      return getattr(self.mod, name)
> AttributeError: module 'sympy.core.compatibility' has no attribute 
> 'integer_types'
> Waiting...............warning: readblock: timeout of 30 exceeded, 
> breaking out
> warning: called from
>      readblock at line 101 column 7
>      python_ipc_popen2 at line 99 column 16
>      python_ipc_driver at line 62 column 15
>      pycall_sympy__ at line 163 column 11
>      sym at line 452 column 9
> 
> no output so far
> 
> error: ipc_popen2: something wrong? timed out starting python
> error: called from
>      python_ipc_popen2 at line 101 column 7
>      python_ipc_driver at line 62 column 15
>      pycall_sympy__ at line 163 column 11
>      sym at line 452 column 9
> 
> 


You are not alone =)  A long standing, well-known problem: 
https://octave.discourse.group/t/symbolic-package-error-with-sympy-1-6-or-newer/295

HTH,
Kai