On Fri, Apr 16, 2021 at 10:36 PM AJ <ajcns1969@gmail.com> wrote:

thank you so much. I just installed conda.
(base) MacBook-Pro-4:~ AJ$ conda -V
conda 4.9.2
Is myenv /Aplications/freesurfer/7.1.0
thank you.
aj

On Fri, Apr 16, 2021 at 10:22 PM Vishnu S <vishnudaboss@gmail.com> wrote:
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1. Make sure you have conda installed
2. In your terminal, then

conda create -n myenv python=3.6
conda activate myenv

3. Then you should be able to install TF 1.13

On Sat, 17 Apr 2021, 08:46 AJ, <ajcns1969@gmail.com> wrote:
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sorry for being non-tech, but how do I exactly do creating a conda venv with Python 3.6.
many thanks
aj

On Fri, Apr 16, 2021 at 9:56 PM Vishnu S <vishnudaboss@gmail.com> wrote:
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Hi AJ,

So tensorflow 1.13.0 is looking for Python 3.6 as far as I know. Python >=3.7 only supports TF2. Can you try creating a conda venv with Python 3.6 and try again?

On Sat, 17 Apr 2021, 08:23 AJ, <ajcns1969@gmail.com> wrote:
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Thank you so much for your help.
Here's the error:
MacBook-Pro-4:~ AJ$ fspython -m pip install tensorflow==1.15
Collecting tensorflow==1.15
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Requirement already satisfied: six>=1.10.0 in /Applications/freesurfer/7.1.0/python/packages (from tensorflow==1.15) (1.14.0)
Collecting keras-applications>=1.0.8 (from tensorflow==1.15)
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Collecting tensorflow-estimator==1.15.1 (from tensorflow==1.15)
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100% |████████████████████████████████| 512kB 5.8MB/s
Collecting opt-einsum>=2.3.2 (from tensorflow==1.15)
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100% |████████████████████████████████| 71kB 13.9MB/s
Requirement already satisfied: numpy<2.0,>=1.16.0 in /Applications/freesurfer/7.1.0/python/packages (from tensorflow==1.15) (1.18.4)
Collecting absl-py>=0.7.0 (from tensorflow==1.15)
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Collecting wrapt>=1.11.1 (from tensorflow==1.15)
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dyld: lazy symbol binding failed: Symbol not found: _utimensat
Referenced from: /Applications/freesurfer/7.1.0//python/bin/python3
Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: _utimensat
Referenced from: /Applications/freesurfer/7.1.0//python/bin/python3
Expected in: /usr/lib/libSystem.B.dylib

Abort trap: 6

On Fri, Apr 16, 2021 at 12:45 PM Hoopes, Andrew <AHOOPES@mgh.harvard.edu> wrote:

Hi AJ,

Freesurfer ships its own python distribution, so it doesn’t matter what you have installed on your system. Can you let us know the specific version of macOS you are using and send the full error report from pip?

Thanks

Andrew

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of AJ <ajcns1969@gmail.com>
Date: Friday, April 16, 2021 at 11:56 AM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] error installing tensorflow

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Hi,

I have python both versions of python installed:

MacBook-Pro-4:~ AJ$ python3 --version
Python 3.9.4
MacBook-Pro-4:~ AJ$ python --version
Python 2.7.10

when installing fspython -m pip install tensorflow==1.13.1, I get the error:

dyld: Symbol not found: _utimensat
Referenced from: /Applications/freesurfer/7.1.0//python/bin/python3
Expected in: /usr/lib/libSystem.B.dylib

Abort trap: 6

Is the issue that freesurfer is looking for python3? I am not sure how to get past this installation of tensorflow?

Thank you for your help.

AJ

On Fri, Apr 16, 2021 at 12:58 AM Vishnu S <vishnudaboss@gmail.com> wrote:

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Can you try downgrading to python 3.6 in a conda env? Python 3.7 support only TF 2.0 and higher.

On Fri, 16 Apr 2021, 11:24 AJ, <ajcns1969@gmail.com> wrote:

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Hi,

I am having trouble installing: fspython -m pip install tensorflow==1.13.1

Not sure what the issue is. Any help would be greatly appreciated.

best

AJ

Error message while installing:

dyld: lazy symbol binding failed: Symbol not found: _utimensat
Referenced from: /Applications/freesurfer/7.1.0//python/bin/python3
Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: _utimensat
Referenced from: /Applications/freesurfer/7.1.0//python/bin/python3

Expected in: /usr/lib/libSystem.B.dylib

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