diff --git a/downloads-generation/models_class1_pan_unselected/cluster_submit_script_header.mssm_hpc.lsf b/downloads-generation/models_class1_pan_unselected/cluster_submit_script_header.mssm_hpc.lsf
index e88afedd7d25ef5606d4b31cb4aaed49a0b33e61..34556ac1a4b994604f145230b4388334c2942f38 100644
--- a/downloads-generation/models_class1_pan_unselected/cluster_submit_script_header.mssm_hpc.lsf
+++ b/downloads-generation/models_class1_pan_unselected/cluster_submit_script_header.mssm_hpc.lsf
@@ -13,7 +13,8 @@
 #IGNORE -R rusage[ngpus_excl_p=1]  # 1 exclusive GPU
 
 export TMPDIR=/local/JOBS/mhcflurry-{work_item_num}
-export PATH=$HOME/.conda/envs/py36b/bin/:$PATH
+export PATH=$HOME/.conda/envs/tf-cpu/bin/:$PATH
+export PYTHONUNBUFFERED=1
 
 set -e
 free -m
@@ -21,5 +22,6 @@ free -m
 #module load cuda/10.1.105
 #module load cudnn/7.1.1
 
+
 cd {work_dir}