diff --git a/bin/import_final_p111.py b/bin/import_final_p111.py
index b740dcf..ca6b3df 100755
--- a/bin/import_final_p111.py
+++ b/bin/import_final_p111.py
@@ -9,6 +9,7 @@ database.
 """
 
 import os
+import sys
 import pathlib
 import re
 import configuration
diff --git a/bin/import_final_p190.py b/bin/import_final_p190.py
index 900c8d3..e8f948d 100755
--- a/bin/import_final_p190.py
+++ b/bin/import_final_p190.py
@@ -9,6 +9,7 @@ database.
 """
 
 import os
+import sys
 import pathlib
 import re
 import configuration
diff --git a/bin/import_raw_p111.py b/bin/import_raw_p111.py
index 3902b81..1e353b6 100755
--- a/bin/import_raw_p111.py
+++ b/bin/import_raw_p111.py
@@ -9,6 +9,7 @@ database.
 """
 
 import os
+import sys
 import pathlib
 import re
 import configuration
diff --git a/bin/import_raw_p190.py b/bin/import_raw_p190.py
index 116b611..98356a3 100755
--- a/bin/import_raw_p190.py
+++ b/bin/import_raw_p190.py
@@ -9,6 +9,7 @@ database.
 """
 
 import os
+import sys
 import pathlib
 import re
 import configuration