diff --git a/app/scodoc/sco_groups_view.py b/app/scodoc/sco_groups_view.py
index f1962212..82c137e2 100644
--- a/app/scodoc/sco_groups_view.py
+++ b/app/scodoc/sco_groups_view.py
@@ -794,7 +794,10 @@ def groups_table(
         title = "etudiants_%s" % groups_infos.groups_filename
         xls = sco_excel.excel_simple_table(titles=titles, lines=L, sheet_name=title)
         filename = title + scu.XLSX_SUFFIX
-        return sco_excel.send_excel_file(REQUEST, xls, filename)
+        return scu.send_file(
+            xls, filename, scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True
+        )
+        # return sco_excel.send_excel_file(REQUEST, xls, filename)
     else:
         raise ValueError("unsupported format")
 
diff --git a/app/views/scolar.py b/app/views/scolar.py
index e57e0a01..24d03bc4 100644
--- a/app/views/scolar.py
+++ b/app/views/scolar.py
@@ -1937,7 +1937,9 @@ def import_generate_excel_sample(REQUEST, with_codesemestre="1"):
     data = sco_import_etuds.sco_import_generate_excel_sample(
         format, with_codesemestre, exclude_cols=["photo_filename"]
     )
-    return scu.send_file(data, "ImportEtudiants", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True)
+    return scu.send_file(
+        data, "ImportEtudiants", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True
+    )
     # return sco_excel.send_excel_file(REQUEST, data, "ImportEtudiants" + scu.XLSX_SUFFIX)
 
 
@@ -1956,7 +1958,9 @@ def import_generate_admission_sample(REQUEST, formsemestre_id):
         exclude_cols=["nationalite", "foto", "photo_filename"],
         group_ids=[group["group_id"]],
     )
-    return scu.send_file(data, "AdmissionEtudiants", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True)
+    return scu.send_file(
+        data, "AdmissionEtudiants", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True
+    )
     # return sco_excel.send_excel_file(REQUEST, data, "AdmissionEtudiants" + scu.XLSX_SUFFIX)
 
 
diff --git a/app/views/users.py b/app/views/users.py
index c9f680d6..9726efd1 100644
--- a/app/views/users.py
+++ b/app/views/users.py
@@ -488,7 +488,9 @@ def create_user_form(REQUEST, user_name=None, edit=0, all_roles=1):
 def import_users_generate_excel_sample(REQUEST):
     "une feuille excel pour importation utilisateurs"
     data = sco_import_users.generate_excel_sample()
-    return scu.send_file(data, "ImportUtilisateurs", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True)
+    return scu.send_file(
+        data, "ImportUtilisateurs", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True
+    )
     # return sco_excel.send_excel_file(REQUEST, data, "ImportUtilisateurs" + scu.XLSX_SUFFIX)