when I try to import:
>>> import IPython.lib.pretty._
IPython.lib.pretty._PrettyPrinterBase(      
 IPython.lib.pretty._exception_base(          
IPython.lib.pretty._safe_getattr(
IPython.lib.pretty._counter_pprint(          
IPython.lib.pretty._exception_pprint(        
IPython.lib.pretty._seq_pprinter_factory(
IPython.lib.pretty._default_pprint(          
IPython.lib.pretty._function_pprint(        
 IPython.lib.pretty._set_pprinter_factory(
IPython.lib.pretty._defaultdict_pprint(      IPython.lib.pretty._get_mro(  
               IPython.lib.pretty._singleton_pprinters
IPython.lib.pretty._deferred_type_pprinters  
IPython.lib.pretty._ordereddict_pprint(      
IPython.lib.pretty._sorted_for_pprint(
IPython.lib.pretty._deque_pprint(            
IPython.lib.pretty._re_pattern_pprint(      
 IPython.lib.pretty._super_pprint(
IPython.lib.pretty._dict_pprinter_factory(  
 IPython.lib.pretty._re_pattern_type(        
 IPython.lib.pretty._type_pprint(
IPython.lib.pretty._env_type(                
IPython.lib.pretty._repr_pprint(            
 IPython.lib.pretty._type_pprinters

понедельник, 4 ноября 2019 г., 14:47:05 UTC+3 пользователь Александр 
Ватузов написал:
>
> sage building is sucsess now. But running sage makes error
>
> cannot import name '_baseclass_reprs' from 'IPython.lib.pretty'
>
> it looks like new libreary, but don't undestend, which one
>
> понедельник, 4 ноября 2019 г., 12:51:24 UTC+3 пользователь Dima Pasechnik 
> написал:
>>
>>
>>
>> On Mon, 4 Nov 2019, 09:47 Александр Ватузов, <amva...@gmail.com> wrote:
>>
>>> it builds cython lib?
>>>
>> yes
>>
>>>
>>> понедельник, 4 ноября 2019 г., 12:35:17 UTC+3 пользователь Dima 
>>> Pasechnik написал:
>>>>
>>>>
>>>>
>>>> On Mon, 4 Nov 2019, 09:27 Александр Ватузов, <amva...@gmail.com> wrote:
>>>>
>>>>> "./sage -pip install cython" installs cython for python3: Requirement 
>>>>> already satisfied: cython in ./local/lib/python3.7/site-packages 
>>>>> (0.29.14); 
>>>>> and
>>>>> "Requirement already satisfied: gmpy2 in 
>>>>> ./local/lib/python3.7/site-packages (2.0.8)"
>>>>>
>>>>> So I think that, may be, cython need gmpy2 installed in other way? I 
>>>>> still have na error:
>>>>>
>>>> try
>>>>
>>>> ./sage -f gmpy2
>>>>
>>>>
>>>>> [sagelib-8.9] cimport gmpy2
>>>>> [sagelib-8.9]        ^
>>>>> [sagelib-8.9] 
>>>>> ------------------------------------------------------------
>>>>> [sagelib-8.9] 
>>>>> [sagelib-8.9] sage/rings/complex_double.pyx:110:8: 'gmpy2.pxd' not 
>>>>> found
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> воскресенье, 3 ноября 2019 г., 23:52:01 UTC+3 пользователь Simon King 
>>>>> написал:
>>>>>>
>>>>>> Hi Dima, 
>>>>>>
>>>>>> On 2019-11-02, Dima Pasechnik <dim...@gmail.com> wrote: 
>>>>>> > There "python" is Sage's Python, "pip" manages its modules, etc. 
>>>>>>
>>>>>> IIRC, that's not true for Sage's py-3 version. Namely, if one opens a 
>>>>>> sage-with-py-3 shell, then "python" still means "python2". So, if you 
>>>>>> really want Sage-with-py-3's Python installation, you should either 
>>>>>> do 
>>>>>> "sage -python" or (in a Sage shell) "python3". And I think the same 
>>>>>> holds for pip. 
>>>>>>
>>>>>> Best regards, 
>>>>>> Simon 
>>>>>>
>>>>>> -- 
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>>>>> <https://groups.google.com/d/msgid/sage-support/8a5eb4d3-d9a4-4630-8d74-f3e5c3e0f276%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>> .
>>>>>
>>>> -- 
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>>>
>>

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