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Re: Symbolic package 2.9.0


From: Nicholas Jankowski
Subject: Re: Symbolic package 2.9.0
Date: Wed, 11 Mar 2020 11:52:02 -0400

I see it in the news that the default python interpreter is now python3.  

I have python 3.7.0 installed on my windows system (using default install parameters), my understanding is that the default configuration system call is just 'python':

after a pkg update,  I get:

------------------
>> pkg load symbolic
>> syms b
'python3' is not recognized as an internal or external command,
operable program or batch file.
Symbolic pkg v2.9.0: error: Cannot run the Python executable "python3"
    Try "sympref diagnose" for more information.
error: called from
    assert_have_python_and_sympy at line 61 column 7
    python_ipc_popen2 at line 79 column 5
    python_ipc_driver at line 62 column 15
    pycall_sympy__ at line 163 column 11
    valid_sym_assumptions at line 38 column 10
    assumptions at line 82 column 7
    syms at line 97 column 13
>> system('python3')
'python3' is not recognized as an internal or external command,
operable program or batch file.
ans =  1
>> system('python')
Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:06:47) [MSC v.1914 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>
----------------------

I assume the python-bundle for windows will be just fine. But anyone with a windows python install using the base package is going to need to make a change somewhere after updating to 2.9.0, (assuming my setup isn't unique)

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