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### Running command:
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###   chmod a+r NeuCA -R && F:\biocbuild\bbs-3.22-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data NeuCA
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* checking for file 'NeuCA/DESCRIPTION' ... OK
* preparing 'NeuCA':
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building 'NeuCA.Rmd' using rmarkdown

Quitting from NeuCA.Rmd:75-80 [unnamed-chunk-4]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! Valid installation of TensorFlow not found.

Python environments searched for 'tensorflow' package:
 C:\Users\biocbuild\AppData\Local\R\cache\R\reticulate\uv\cache\archive-v0\AC1fsVp16t9sgD_Ai7RYs\Scripts\python.exe

Python exception encountered:
 Traceback (most recent call last):
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 122, in _find_and_load_hook
    return _run_hook(name, _hook)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 96, in _run_hook
    module = hook()
             ^^^^^^
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 120, in _hook
    return _find_and_load(name, import_)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'tensorflow'


You can install TensorFlow using the install_tensorflow() function.
---
Backtrace:
     ▆
  1. ├─NeuCA::NeuCA(...)
  2. │ └─NeuCA:::BigNN(...)
  3. │   └─... %>% ...
  4. ├─generics::compile(...)
  5. ├─keras::layer_dense(., units = nClass, activation = last_act)
  6. │ ├─keras::create_layer(...)
  7. │ ├─keras$layers
  8. │ └─reticulate:::`$.python.builtin.module`(keras, "layers")
  9. │   └─reticulate::py_get_attr(x, name, TRUE)
 10. └─reticulate (local) `<fn>`(`<python.builtin.module>`)
 11.   └─keras (local) on_error(result)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'NeuCA.Rmd' failed with diagnostics:
Valid installation of TensorFlow not found.

Python environments searched for 'tensorflow' package:
 C:\Users\biocbuild\AppData\Local\R\cache\R\reticulate\uv\cache\archive-v0\AC1fsVp16t9sgD_Ai7RYs\Scripts\python.exe

Python exception encountered:
 Traceback (most recent call last):
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 122, in _find_and_load_hook
    return _run_hook(name, _hook)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 96, in _run_hook
    module = hook()
             ^^^^^^
  File "F:\biocbuild\bbs-3.22-bioc\R\library\reticulate\python\rpytools\loader.py", line 120, in _hook
    return _find_and_load(name, import_)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
ModuleNotFoundError: No module named 'tensorflow'


You can install TensorFlow using the install_tensorflow() function.

--- failed re-building 'NeuCA.Rmd'

SUMMARY: processing the following file failed:
  'NeuCA.Rmd'

Error: Vignette re-building failed.
Execution halted