diff --git a/Dockerfile_4 b/Dockerfile_4
index ab12492..04fc1df 100644
--- a/Dockerfile_4
+++ b/Dockerfile_4
@@ -29,5 +29,6 @@ RUN chmod +x ./train.py
 RUN chmod +x ./test.py
 
 CMD GIT_PYTHON_REFRESH=quiet
+CMD export GIT_PYTHON_REFRESH=quiet
 RUN dvc pull
 RUN dvc repro
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