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Hi:

  I installed the 22 march freesurfer developer version. I test mri_synthseg with a CT image, but it shows me the following error:

"mri_synthseg --i /home/developer/Documents/sub-0001/H2.nii.gz --o /home/developer/Documents/sub-0001 --cpu --ct
Traceback (most recent call last):
  File "/usr/local/freesurfer/7-dev/python/scripts/mri_synthseg", line 22, in <module>
    import tensorflow as tf
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/tensorflow/__init__.py", line 479, in <module>
    keras._load()
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/tensorflow/python/util/lazy_loader.py", line 45, in _load
    module = importlib.import_module(self.__name__)
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/__init__.py", line 25, in <module>
    from keras import models
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/models/__init__.py", line 18, in <module>
    from keras.engine.functional import Functional
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/engine/functional.py", line 25, in <module>
    from keras.engine import base_layer
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/engine/base_layer.py", line 43, in <module>
    from keras.mixed_precision import loss_scale_optimizer
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/mixed_precision/loss_scale_optimizer.py", line 20, in <module>
    from keras.optimizer_v2 import optimizer_v2
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/keras/optimizer_v2/optimizer_v2.py", line 36, in <module>
    keras_optimizers_gauge = tf.__internal__.monitoring.BoolGauge(
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/tensorflow/python/eager/monitoring.py", line 360, in __init__
    super(BoolGauge, self).__init__('BoolGauge', _bool_gauge_methods,
  File "/usr/local/freesurfer/7-dev/python/lib/python3.8/site-packages/tensorflow/python/eager/monitoring.py", line 135, in __init__
    self._metric = self._metric_methods[self._label_length].create(*args)
tensorflow.python.framework.errors_impl.AlreadyExistsError: Another metric with the same name already exists."

  Which could be the problem ?

  Sincerely,

Gonzalo Rojas Costa
Department of Radiology
Clínica las Condes
Lo Fontecilla 441, Las Condes, Santiago, Chile.
Tel: 56-2-2105170
Cel: 56-9-97771785