diff --git a/graph/R-GAT/tools/download_igbh_full.sh b/graph/R-GAT/tools/download_igbh_full.sh
index 7c9d9def8c..8b83487654 100644
--- a/graph/R-GAT/tools/download_igbh_full.sh
+++ b/graph/R-GAT/tools/download_igbh_full.sh
@@ -33,74 +33,93 @@ cd $1/full/processed
 mkdir paper
 cd paper
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper/node_feat.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper/node_label_19.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper/node_label_19.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper/node_label_2K.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper/node_label_2K.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper/paper_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper/paper_id_index_mapping.npy"; exit $?; }
 cd ..
 
 # paper__cites__paper
 mkdir paper__cites__paper
 cd paper__cites__paper
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper__cites__paper/edge_index.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper__cites__paper/edge_index.npy"; exit $?; }
 cd ..
 
 # author
 mkdir author
 cd author
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/author/author_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: author/author_id_index_mapping.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/author/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: author/node_feat.npy"; exit $?; }
 cd ..
 
 # conference
 mkdir conference
 cd conference
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/conference/conference_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: conference/conference_id_index_mapping.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/conference/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: conference/node_feat.npy"; exit $?; }
 cd ..
 
 # institute
 mkdir institute
 cd institute
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/institute/institute_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: institute/institute_id_index_mapping.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/institute/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: institute/node_feat.npy"; exit $?; }
 cd ..
 
 # journal
 mkdir journal
 cd journal
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/journal/journal_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: journal/journal_id_index_mapping.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/journal/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: journal/node_feat.npy"; exit $?; }
 cd ..
 
 # fos
 mkdir fos
 cd fos
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/fos/fos_id_index_mapping.npy
+test $? -eq 0 || { echo "❌ Failed to download: fos/fos_id_index_mapping.npy"; exit $?; }
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/fos/node_feat.npy
+test $? -eq 0 || { echo "❌ Failed to download: fos/node_feat.npy"; exit $?; }
 cd ..
 
 # author__affiliated_to__institute
 mkdir author__affiliated_to__institute
 cd author__affiliated_to__institute
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/author__affiliated_to__institute/edge_index.npy
+test $? -eq 0 || { echo "❌ Failed to download: author__affiliated_to__institute/edge_index.npy"; exit $?; }
 cd ..
 
 # paper__published__journal
 mkdir paper__published__journal
 cd paper__published__journal
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper__published__journal/edge_index.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper__published__journal/edge_index.npy"; exit $?; }
 cd ..
 
 # paper__topic__fos
 mkdir paper__topic__fos
 cd paper__topic__fos
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper__topic__fos/edge_index.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper__topic__fos/edge_index.npy"; exit $?; }
 cd ..
 
 # paper__venue__conference
 mkdir paper__venue__conference
 cd paper__venue__conference
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper__venue__conference/edge_index.npy
+test $? -eq 0 || { echo "❌ Failed to download: paper__venue__conference/edge_index.npy"; exit $?; }
 cd ..
 
 # paper__written_by__author
@@ -109,4 +128,4 @@ cd paper__written_by__author
 wget -c https://igb-public.s3.us-east-2.amazonaws.com/IGBH/processed/paper__written_by__author/edge_index.npy
 cd ..
 
-echo "IGBH-IGBH download complete"
\ No newline at end of file
+echo "IGBH-IGBH download complete"
diff --git a/speech2text/accuracy_eval.py b/speech2text/accuracy_eval.py
index eb6cc53299..c356ab6398 100644
--- a/speech2text/accuracy_eval.py
+++ b/speech2text/accuracy_eval.py
@@ -57,12 +57,12 @@
     "x",
     "y",
     "z",
-    "'", 
+    "'",
     "0",
     "1",
     "2",
     "3",
-    "4", 
+    "4",
     "5",
     "6",
     "7",
diff --git a/speech2text/reference_SUT.py b/speech2text/reference_SUT.py
index 63d491a00f..0b2f02c490 100644
--- a/speech2text/reference_SUT.py
+++ b/speech2text/reference_SUT.py
@@ -90,12 +90,12 @@ def get_start_cores(start_cores="0"):
     "x",
     "y",
     "z",
-    "'", 
+    "'",
     "0",
     "1",
     "2",
     "3",
-    "4", 
+    "4",
     "5",
     "6",
     "7",