* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/tfprobability.Rcheck’
* using R Under development (unstable) (2024-04-15 r86425)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7)
    GNU Fortran (GCC) 13.2.1 20240316 (Red Hat 13.2.1-7)
* running under: Fedora Linux 38 (Workstation Edition)
* using session charset: UTF-8
* checking for file ‘tfprobability/DESCRIPTION’ ... OK
* this is package ‘tfprobability’ version ‘0.15.1’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘tfprobability’ can be installed ... [19s/20s] OK
* checking package directory ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking whether startup messages can be suppressed ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [20s/21s] OK
* checking Rd files ... NOTE
checkRd: (-1) tfd_von_mises_fisher.Rd:63: Lost braces; missing escapes or markup?
    63 | NOTE: Currently only n in {2, 3, 4, 5} are supported. For n=5 some numerical
       |                           ^
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... OK
* checking examples with --run-donttest ... ERROR
Running examples in ‘tfprobability-Ex.R’ failed
The error most likely occurred in:

> ### Name: layer_independent_normal
> ### Title: An independent Normal Keras layer.
> ### Aliases: layer_independent_normal
> 
> ### ** Examples
> 
> ## No test: 
> library(keras)
> input_shape <- c(28, 28, 1)
> encoded_shape <- 2
> n <- 2
> model <- keras_model_sequential(
+   list(
+     layer_input(shape = input_shape),
+     layer_flatten(),
+     layer_dense(units = n),
+     layer_dense(units = params_size_independent_normal(encoded_shape)),
+     layer_independent_normal(event_shape = encoded_shape)
+     )
+   )
Error: Valid installation of TensorFlow not found.

Python environments searched for 'tensorflow' package:
 /usr/bin/python3.11
 /usr/bin/python3.11

Python exception encountered:
 Traceback (most recent call last):
  File "/data/blackswan/ripley/R/R-devel/site-library/reticulate/python/rpytools/loader.py", line 122, in _find_and_load_hook
    return _run_hook(name, _hook)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/data/blackswan/ripley/R/R-devel/site-library/reticulate/python/rpytools/loader.py", line 96, in _run_hook
    module = hook()
             ^^^^^^
  File "/data/blackswan/ripley/R/R-devel/site-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.
Execution halted
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ...
  Running ‘testthat.R’
 OK
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [15s/16s] OK
* checking PDF version of manual ... [55s/57s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* checking for new files in some other directories ... OK
* DONE

Status: 1 ERROR, 1 NOTE
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/tfprobability.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 3:35.28, 188.27 + 15.81