* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/survivalmodels.Rcheck’
* using R Under development (unstable) (2023-01-27 r83711)
* using platform: x86_64-pc-linux-gnu (64-bit)
* R was compiled by
    gcc (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2)
    GNU Fortran (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2)
* running under: Fedora 34 (Workstation Edition)
* using session charset: UTF-8
* checking for file ‘survivalmodels/DESCRIPTION’ ... OK
* this is package ‘survivalmodels’ version ‘0.1.13’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... NOTE
Package suggested but not available for checking: ‘distr6’
* 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 ‘survivalmodels’ can be installed ... [13s/13s] OK
* used C++ compiler: ‘g++ (GCC) 11.3.1 20220421 (Red Hat 11.3.1-2)’
* checking package 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 R 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 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 ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... NOTE
Unknown package ‘distr6’ in Rd xrefs
* 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 line endings in C/C++/Fortran sources/headers ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking examples ... OK
* checking examples with --run-donttest ... ERROR
Running examples in ‘survivalmodels-Ex.R’ failed
The error most likely occurred in:

> ### Name: build_keras_net
> ### Title: Build a Keras Multilayer Perceptron
> ### Aliases: build_keras_net
> 
> ### ** Examples
> 
> ## No test: 
> if (requireNamespaces("keras")) {
+   build_keras_net(4L, 2L)
+ 
+   build_keras_net(n_in = 4L, n_out = 2L, nodes = c(32L, 64L, 32L),
+     activation = "elu", dropout = 0.4)
+ }
Error: Valid installation of TensorFlow not found.

Python environments searched for 'tensorflow' package:
 /usr/bin/python3.9
 /usr/bin/python3.9
 /usr/bin/python3.9

Python exception encountered:
 Traceback (most recent call last):
  File "/data/blackswan/ripley/R/R-devel/site-library/reticulate/python/rpytools/loader.py", line 119, 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 93, in _run_hook
    module = hook()
  File "/data/blackswan/ripley/R/R-devel/site-library/reticulate/python/rpytools/loader.py", line 117, 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 PDF version of manual ... 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, 2 NOTEs
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/survivalmodels.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 0:47.32, 41.13 + 15.01