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Add requireNamespace for semver package #3

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Add requireNamespace for semver package #3

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3 changes: 3 additions & 0 deletions R/is_python_package_with_version_installed.R
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Expand Up @@ -45,6 +45,9 @@ is_python_package_with_version_installed <- function( # nolint indeed a long fun
python_version = get_default_python_version(),
verbose = FALSE
) {
if(!requireNamespace("semver")){
stop("'semver' must be installed to use this function: install.packages('semver')")
}
# 'get_installed_python_packages' will use 'python3'
# or call create_and_activate_conda_env'
t <- ormr::get_installed_python_packages(
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