diff --git a/model_data/simulation_system/Makefile b/model_data/simulation_system/Makefile
index d33f40d0..5bb74e1a 100644
--- a/model_data/simulation_system/Makefile
+++ b/model_data/simulation_system/Makefile
@@ -7,9 +7,9 @@ init: build docker
 
 .PHONY: training_env
 env:
-	# pyenv install $(PYTHON_VERSION) || echo "Proceeding..." # || is to swallow non-zero response if python version already is installed
-	# pyenv global $(PYTHON_VERSION)
-	# python3 -m venv .training_env
+	pyenv install $(PYTHON_VERSION) || echo "Proceeding..." # || is to swallow non-zero response if python version already is installed
+	pyenv global $(PYTHON_VERSION)
+	python3 -m venv .training_env
 	. .training_env/bin/activate
 	pip install --upgrade pip
 	pip install -r requirements/training/training-dev.txt && pre-commit install