[sage-support] Re: Question about a deprecation warning

2020-07-10 Thread John H Palmieri
Does IPython have a preparser?


On Thursday, July 9, 2020 at 11:43:36 PM UTC-7, Kwankyu wrote:
>
> Because of the preparser?
>
> On Thursday, July 2, 2020 at 9:19:58 AM UTC+9 John H Palmieri wrote:
>
>>
>>
>> On Wednesday, July 1, 2020 at 4:39:12 PM UTC-7, John H Palmieri wrote:
>>>
>>>
>>>
>>> On Wednesday, July 1, 2020 at 2:22:49 PM UTC-7, Antonio Rojas wrote:



 El miércoles, 1 de julio de 2020, 21:06:43 (UTC+2), John H Palmieri 
 escribió:
>
>
> Why so many deprecation warnings? I think they're coming from plain 
> Python; why doesn't Python print the warnings?
>
>
>
 Because python ignores deprecation warnings, 
 https://docs.python.org/3/library/warnings.html#default-warning-filter 

>>>
>>> Thanks, that's helpful. But why does Sage print the warning so many 
>>> times? If I turn on Python's deprecation warnings, I just see one warning 
>>> message, not six of them.
>>>
>>>
>> I guess this is in turn an IPython thing, although I don't know why 
>> IPython prints the warning 6 times, and also repeats my original command. 
>> With warnings enabled, I evaluated '\i' once:
>>
>> % PYTHONWARNINGS=always sage --ipython
>> ...
>> IPython 5.8.0 -- An enhanced Interactive Python.
>> ? -> Introduction and overview of IPython's features.
>> %quickref -> Quick reference.
>> help  -> Python's own help system.
>> object?   -> Details about 'object', use 'object??' for extra details.
>>
>> In [1]: '\i':1: DeprecationWarning: invalid escape sequence \i
>> :1: DeprecationWarning: invalid escape sequence \i
>> :1: DeprecationWarning: invalid escape sequence \i
>> In [1]: '\i'
>>
>> :1: DeprecationWarning: invalid escape sequence \i
>> :1: DeprecationWarning: invalid escape sequence \i
>> :1: DeprecationWarning: invalid escape sequence \i
>> :1: DeprecationWarning: invalid escape 
>> sequence \i
>>   '\i'
>> Out[1]: '\\i'
>>
>>
>>
>>

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[sage-support] Re: Pillow compilation fails to find zlib headers

2020-07-10 Thread Matthias Koeppe
This is now https://trac.sagemath.org/ticket/30103

On Friday, July 10, 2020 at 7:42:45 AM UTC-7, Maxime Boissonneault wrote:
>
> Hi,
> I am compiling Sage from source on Linux, on a supercomputer. Libraries 
> and headers are in non-standard locations. When the make tries to build 
> pillow, it fails with the following relevant part of the log. Note that it 
> initially finds zlib.h just fine. However, it seems to fail to tell pillow 
> where to take zlib from.
>
> $ grep zlib 
> /tmp/eb-6u0oyvfw/easybuild-SageMath-9.1-20200709.205356.xAMAc.log
> checking bzlib.h usability... yes
> checking bzlib.h presence... yes
> checking for bzlib.h... yes
> Checking whether SageMath should install SPKG zlib...
> checking zlib.h usability... yes
> checking zlib.h presence... yes
> checking for zlib.h... yes
> configure: will use system package and not install SPKG zlib
> checking whether any of atlas openblas zlib bzip2 is installed as or will 
> be installed as SPKG... yes; install cbc as well
> checking installing zlib? ... no
> checking whether any of gmp mpir zlib is installed as or will be installed 
> as SPKG... no
> checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math, 
> hashlib, crypt, readline, socket, zlib, distutils.core...
> checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math, 
> hashlib, crypt, readline, socket, zlib, distutils.core... /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/bin/python3.7
> zlib-1.2.11.p0:  using system package; SPKG 
> will not be installed
> [gap-4.10.2.p1] checking zlib.h usability... yes
> [gap-4.10.2.p1] checking zlib.h presence... yes
> [gap-4.10.2.p1] checking for zlib.h... yes
> [pillow-5.3.0.p0] Looking for `zlib` using pkg-config.
> [pillow-5.3.0.p0] Looking for zlib
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/var/tmp/sage/build/pillow-5.3.0.p0/src/src/libImaging
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/openjpeg-2.3
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/freetype2
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /usr/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /usr/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/python3.7m
> [pillow-5.3.0.p0] The headers or library files could not be found for zlib,
> [pillow-5.3.0.p0] __main__.RequiredDependencyException: zlib
> [pillow-5.3.0.p0] The headers or library files could not be found for zlib,
>
>

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Re: [sage-support] Pillow compilation fails to find zlib headers

2020-07-10 Thread Maxime Boissonneault

Hi,

I am using 9.1. It built fine by adding

export INCLUDE=${EBROOTGENTOO}/include:$INCLUDE; export 
LIB=${EBROOTGENTOO}/lib &&


which explicitly sets the INCLUDE and LIB paths. Maybe this should be 
exported by Sage's makefile when it tries to build pillow ?


Maxime

Le 20-07-10 à 11:15, Dima Pasechnik a écrit :
what version of Sage are you using? We were fixing pillow issues 
lately. Could you try the latest beta?


On Fri, 10 Jul 2020, 15:42 Maxime Boissonneault, 
> wrote:


Hi,
I am compiling Sage from source on Linux, on a supercomputer.
Libraries and headers are in non-standard locations. When the make
tries to build pillow, it fails with the following relevant part
of the log. Note that it initially finds zlib.h just fine.
However, it seems to fail to tell pillow where to take zlib from.

$ grep zlib
/tmp/eb-6u0oyvfw/easybuild-SageMath-9.1-20200709.205356.xAMAc.log
checking bzlib.h usability... yes
checking bzlib.h presence... yes
checking for bzlib.h... yes
Checking whether SageMath should install SPKG zlib...
checking zlib.h usability... yes
checking zlib.h presence... yes
checking for zlib.h... yes
configure: will use system package and not install SPKG zlib
checking whether any of atlas openblas zlib bzip2 is installed as
or will be installed as SPKG... yes; install cbc as well
checking installing zlib? ... no
checking whether any of gmp mpir zlib is installed as or will be
installed as SPKG... no
checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes,
math, hashlib, crypt, readline, socket, zlib, distutils.core...
checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes,
math, hashlib, crypt, readline, socket, zlib, distutils.core...
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/bin/python3.7

zlib-1.2.11.p0:                              using system package;
SPKG will not be installed
[gap-4.10.2.p1] checking zlib.h usability... yes
[gap-4.10.2.p1] checking zlib.h presence... yes
[gap-4.10.2.p1] checking for zlib.h... yes
[pillow-5.3.0.p0] Looking for `zlib` using pkg-config.
[pillow-5.3.0.p0] Looking for zlib
[pillow-5.3.0.p0] Checking for include file zlib.h in

/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/var/tmp/sage/build/pillow-5.3.0.p0/src/src/libImaging


[pillow-5.3.0.p0] Checking for include file zlib.h in
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/openjpeg-2.3

[pillow-5.3.0.p0] Checking for include file zlib.h in
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/freetype2

[pillow-5.3.0.p0] Checking for include file zlib.h in

/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include


[pillow-5.3.0.p0] Checking for include file zlib.h in
/usr/local/include
[pillow-5.3.0.p0] Checking for include file zlib.h in /usr/include
[pillow-5.3.0.p0] Checking for include file zlib.h in

/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include


[pillow-5.3.0.p0] Checking for include file zlib.h in
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/python3.7m

[pillow-5.3.0.p0] The headers or library files could not be found
for zlib,
[pillow-5.3.0.p0] __main__.RequiredDependencyException: zlib
[pillow-5.3.0.p0] The headers or library files could not be found
for zlib,

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Re: [sage-support] Pillow compilation fails to find zlib headers

2020-07-10 Thread Dima Pasechnik
what version of Sage are you using? We were fixing pillow issues lately.
Could you try the latest beta?

On Fri, 10 Jul 2020, 15:42 Maxime Boissonneault, <
maxime.boissonnea...@calculquebec.ca> wrote:

> Hi,
> I am compiling Sage from source on Linux, on a supercomputer. Libraries
> and headers are in non-standard locations. When the make tries to build
> pillow, it fails with the following relevant part of the log. Note that it
> initially finds zlib.h just fine. However, it seems to fail to tell pillow
> where to take zlib from.
>
> $ grep zlib
> /tmp/eb-6u0oyvfw/easybuild-SageMath-9.1-20200709.205356.xAMAc.log
> checking bzlib.h usability... yes
> checking bzlib.h presence... yes
> checking for bzlib.h... yes
> Checking whether SageMath should install SPKG zlib...
> checking zlib.h usability... yes
> checking zlib.h presence... yes
> checking for zlib.h... yes
> configure: will use system package and not install SPKG zlib
> checking whether any of atlas openblas zlib bzip2 is installed as or will
> be installed as SPKG... yes; install cbc as well
> checking installing zlib? ... no
> checking whether any of gmp mpir zlib is installed as or will be installed
> as SPKG... no
> checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math,
> hashlib, crypt, readline, socket, zlib, distutils.core...
> checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math,
> hashlib, crypt, readline, socket, zlib, distutils.core... /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/bin/python3.7
> zlib-1.2.11.p0:  using system package; SPKG
> will not be installed
> [gap-4.10.2.p1] checking zlib.h usability... yes
> [gap-4.10.2.p1] checking zlib.h presence... yes
> [gap-4.10.2.p1] checking for zlib.h... yes
> [pillow-5.3.0.p0] Looking for `zlib` using pkg-config.
> [pillow-5.3.0.p0] Looking for zlib
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/var/tmp/sage/build/pillow-5.3.0.p0/src/src/libImaging
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/openjpeg-2.3
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/freetype2
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /usr/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /usr/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
> [pillow-5.3.0.p0] Checking for include file zlib.h in /cvmfs/
> soft.computecanada.ca/gentoo/2020/usr/include/python3.7m
> [pillow-5.3.0.p0] The headers or library files could not be found for zlib,
> [pillow-5.3.0.p0] __main__.RequiredDependencyException: zlib
> [pillow-5.3.0.p0] The headers or library files could not be found for zlib,
>
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> 
> .
>

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[sage-support] Pillow compilation fails to find zlib headers

2020-07-10 Thread Maxime Boissonneault
Hi,
I am compiling Sage from source on Linux, on a supercomputer. Libraries and 
headers are in non-standard locations. When the make tries to build pillow, 
it fails with the following relevant part of the log. Note that it 
initially finds zlib.h just fine. However, it seems to fail to tell pillow 
where to take zlib from.

$ grep zlib 
/tmp/eb-6u0oyvfw/easybuild-SageMath-9.1-20200709.205356.xAMAc.log
checking bzlib.h usability... yes
checking bzlib.h presence... yes
checking for bzlib.h... yes
Checking whether SageMath should install SPKG zlib...
checking zlib.h usability... yes
checking zlib.h presence... yes
checking for zlib.h... yes
configure: will use system package and not install SPKG zlib
checking whether any of atlas openblas zlib bzip2 is installed as or will 
be installed as SPKG... yes; install cbc as well
checking installing zlib? ... no
checking whether any of gmp mpir zlib is installed as or will be installed 
as SPKG... no
checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math, 
hashlib, crypt, readline, socket, zlib, distutils.core...
checking for python3 >= 3.7.3, < 3.8 with modules sqlite3, ctypes, math, 
hashlib, crypt, readline, socket, zlib, distutils.core... 
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/bin/python3.7
zlib-1.2.11.p0:  using system package; SPKG 
will not be installed
[gap-4.10.2.p1] checking zlib.h usability... yes
[gap-4.10.2.p1] checking zlib.h presence... yes
[gap-4.10.2.p1] checking for zlib.h... yes
[pillow-5.3.0.p0] Looking for `zlib` using pkg-config.
[pillow-5.3.0.p0] Looking for zlib
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/var/tmp/sage/build/pillow-5.3.0.p0/src/src/libImaging
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/openjpeg-2.3
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/freetype2
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
[pillow-5.3.0.p0] Checking for include file zlib.h in /usr/local/include
[pillow-5.3.0.p0] Checking for include file zlib.h in /usr/include
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/easybuild/software/2020/avx2/Core/sagemath/9.1/sage-9.1/local/include
[pillow-5.3.0.p0] Checking for include file zlib.h in 
/cvmfs/soft.computecanada.ca/gentoo/2020/usr/include/python3.7m
[pillow-5.3.0.p0] The headers or library files could not be found for zlib,
[pillow-5.3.0.p0] __main__.RequiredDependencyException: zlib
[pillow-5.3.0.p0] The headers or library files could not be found for zlib,

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Re: [sage-support] Sage could not find a kernel under Windows10

2020-07-10 Thread Cyrille Piatecki
I suppose but I am not sure that it is a consequence of a windows up date I 
have tried. Malwarebyte detect nothing bad.

Le vendredi 10 juillet 2020 à 12:02:53 UTC+2, Cyrille Piatecki a écrit :

> May be a windows update. I have reinstalled the last versions of Python 
> and Sage but the system seems to be confused and doesn't find the necessary 
> dlls
>
> Le vendredi 10 juillet 2020 à 08:19:59 UTC+2, dim...@gmail.com a écrit :
>
>>
>>
>> On Fri, 10 Jul 2020, 07:15 Cyrille Piatecki,  
>> wrote:
>>
>>>
>>> Since yesterday, I have the following problem : my notebooks cannot be 
>>> connected to Sage. I have completely erased Sage and Python of my computer 
>>> and then reinstalled them. So I work, under Windows 10, with the last 
>>> version of both of it. For a short moment it seems to work but the the 
>>> problem reappears. Has any body experimented such a weird comportment which 
>>> may be due to windows ?
>>>
>>> Here is an image of the error prompted by the notebook Server
>>>
>>> [image: sage.png]
>>>
>>>
>>> So Http 404 is not founded. What can I do ?
>>>
>>
>> Are you saying it stopped working "by itself", i.e. as a result of a 
>> Windows update or something like that?
>>
>>
>> -- 
>>> You received this message because you are subscribed to the Google 
>>> Groups "sage-support" group.
>>> To unsubscribe from this group and stop receiving emails from it, send 
>>> an email to sage-support...@googlegroups.com.
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>>> https://groups.google.com/d/msgid/sage-support/a2cf2b9b-4d70-4efe-8565-b34c15026fe1n%40googlegroups.com
>>>  
>>> 
>>> .
>>>
>>

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Re: [sage-support] Sage could not find a kernel under Windows10

2020-07-10 Thread Cyrille Piatecki
May be a windows update. I have reinstalled the last versions of Python and 
Sage but the system seems to be confused and doesn't find the necessary dlls

Le vendredi 10 juillet 2020 à 08:19:59 UTC+2, dim...@gmail.com a écrit :

>
>
> On Fri, 10 Jul 2020, 07:15 Cyrille Piatecki,  wrote:
>
>>
>> Since yesterday, I have the following problem : my notebooks cannot be 
>> connected to Sage. I have completely erased Sage and Python of my computer 
>> and then reinstalled them. So I work, under Windows 10, with the last 
>> version of both of it. For a short moment it seems to work but the the 
>> problem reappears. Has any body experimented such a weird comportment which 
>> may be due to windows ?
>>
>> Here is an image of the error prompted by the notebook Server
>>
>> [image: sage.png]
>>
>>
>> So Http 404 is not founded. What can I do ?
>>
>
> Are you saying it stopped working "by itself", i.e. as a result of a 
> Windows update or something like that?
>
>
> -- 
>> You received this message because you are subscribed to the Google Groups 
>> "sage-support" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to sage-support...@googlegroups.com.
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>> https://groups.google.com/d/msgid/sage-support/a2cf2b9b-4d70-4efe-8565-b34c15026fe1n%40googlegroups.com
>>  
>> 
>> .
>>
>

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[sage-support] Re: Question about a deprecation warning

2020-07-10 Thread Kwankyu
Because of the preparser?

On Thursday, July 2, 2020 at 9:19:58 AM UTC+9 John H Palmieri wrote:

>
>
> On Wednesday, July 1, 2020 at 4:39:12 PM UTC-7, John H Palmieri wrote:
>>
>>
>>
>> On Wednesday, July 1, 2020 at 2:22:49 PM UTC-7, Antonio Rojas wrote:
>>>
>>>
>>>
>>> El miércoles, 1 de julio de 2020, 21:06:43 (UTC+2), John H Palmieri 
>>> escribió:


 Why so many deprecation warnings? I think they're coming from plain 
 Python; why doesn't Python print the warnings?



>>> Because python ignores deprecation warnings, 
>>> https://docs.python.org/3/library/warnings.html#default-warning-filter 
>>>
>>
>> Thanks, that's helpful. But why does Sage print the warning so many 
>> times? If I turn on Python's deprecation warnings, I just see one warning 
>> message, not six of them.
>>
>>
> I guess this is in turn an IPython thing, although I don't know why 
> IPython prints the warning 6 times, and also repeats my original command. 
> With warnings enabled, I evaluated '\i' once:
>
> % PYTHONWARNINGS=always sage --ipython
> ...
> IPython 5.8.0 -- An enhanced Interactive Python.
> ? -> Introduction and overview of IPython's features.
> %quickref -> Quick reference.
> help  -> Python's own help system.
> object?   -> Details about 'object', use 'object??' for extra details.
>
> In [1]: '\i':1: DeprecationWarning: invalid escape sequence \i
> :1: DeprecationWarning: invalid escape sequence \i
> :1: DeprecationWarning: invalid escape sequence \i
> In [1]: '\i'
>
> :1: DeprecationWarning: invalid escape sequence \i
> :1: DeprecationWarning: invalid escape sequence \i
> :1: DeprecationWarning: invalid escape sequence \i
> :1: DeprecationWarning: invalid escape 
> sequence \i
>   '\i'
> Out[1]: '\\i'
>
>
>
>

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Re: [sage-support] Sage could not find a kernel under Windows10

2020-07-10 Thread Dima Pasechnik
On Fri, 10 Jul 2020, 07:15 Cyrille Piatecki, 
wrote:

>
> Since yesterday, I have the following problem : my notebooks cannot be
> connected to Sage. I have completely erased Sage and Python of my computer
> and then reinstalled them. So I work, under Windows 10, with the last
> version of both of it. For a short moment it seems to work but the the
> problem reappears. Has any body experimented such a weird comportment which
> may be due to windows ?
>
> Here is an image of the error prompted by the notebook Server
>
> [image: sage.png]
>
>
> So Http 404 is not founded. What can I do ?
>

Are you saying it stopped working "by itself", i.e. as a result of a
Windows update or something like that?


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> 
> .
>

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[sage-support] Sage could not find a kernel under Windows10

2020-07-10 Thread Cyrille Piatecki


Since yesterday, I have the following problem : my notebooks cannot be 
connected to Sage. I have completely erased Sage and Python of my computer 
and then reinstalled them. So I work, under Windows 10, with the last 
version of both of it. For a short moment it seems to work but the the 
problem reappears. Has any body experimented such a weird comportment which 
may be due to windows ?

Here is an image of the error prompted by the notebook Server

[image: sage.png]


So Http 404 is not founded. What can I do ?

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