diff --git a/app/scodoc/sco_import_users.py b/app/scodoc/sco_import_users.py
index 655a16c2..8ab1ae39 100644
--- a/app/scodoc/sco_import_users.py
+++ b/app/scodoc/sco_import_users.py
@@ -141,75 +141,79 @@ def import_users(users, auth_dept=""):
     def append_msg(msg):
         msg_list.append("Ligne %s : %s" % (line, msg))
 
-    created = []  # liste de uid créés
-    msg_list = []
-    line = 1  # satr from excel line #2
-    ok = True
-    try:
-        for u in users:
-            line = line + 1
-            ok, msg = sco_users.check_modif_user(
-                0,
-                user_name=u["user_name"],
-                nom=u["nom"],
-                prenom=u["prenom"],
-                email=u["email"],
-                roles=u["roles"],
-            )
-            if not ok:
-                append_msg("identifiant '%s' %s" % (u["user_name"], msg))
-                # raise ScoValueError(
-                #     "données invalides pour %s: %s" % (u["user_name"], msg)
-                # )
-            u["passwd"] = generate_password()
-            #
-            # check identifiant
-            if not re.match(r"^[a-zA-Z0-9@\\\-_\\\.]*$", u["user_name"]):
-                ok = False
-                append_msg(
-                    "identifiant '%s' invalide (pas d'accents ni de caractères spéciaux)"
-                    % u["user_name"]
+    if len(users) == 0:
+        ok = False
+        msg_list = ["Feuilles vide ou illisible"]
+    else:
+        created = []  # liste de uid créés
+        msg_list = []
+        line = 1  # satr from excel line #2
+        ok = True
+        try:
+            for u in users:
+                line = line + 1
+                ok, msg = sco_users.check_modif_user(
+                    0,
+                    user_name=u["user_name"],
+                    nom=u["nom"],
+                    prenom=u["prenom"],
+                    email=u["email"],
+                    roles=u["roles"],
                 )
-            elif len(u["user_name"]) > 64:
-                ok = False
-                append_msg(
-                    "identifiant '%s' trop long (64 caractères)" % u["user_name"]
-                )
-            if len(u["nom"]) > 64:
-                ok = False
-                append_msg("nom '%s' trop long (64 caractères)" % u["nom"])
-            if len(u["prenom"]) > 64:
-                ok = False
-                append_msg("prenom '%s' trop long (64 caractères)" % u["prenom"])
-            if len(u["email"]) > 120:
-                ok = False
-                append_msg("email '%s' trop long (120 caractères)" % u["email"])
-            # check département
-            if u["dept"] != "":
-                dept = Departement.query.filter_by(acronym=u["dept"]).first()
-                if dept is None:
+                if not ok:
+                    append_msg("identifiant '%s' %s" % (u["user_name"], msg))
+                    # raise ScoValueError(
+                    #     "données invalides pour %s: %s" % (u["user_name"], msg)
+                    # )
+                u["passwd"] = generate_password()
+                #
+                # check identifiant
+                if not re.match(r"^[a-zA-Z0-9@\\\-_\\\.]*$", u["user_name"]):
                     ok = False
-                    append_msg("département '%s' inexistant" % u["dept"])
-            for role in u["roles"].split(","):
-                try:
-                    _, _ = UserRole.role_dept_from_string(role)
-                except ScoValueError as value_error:
+                    append_msg(
+                        "identifiant '%s' invalide (pas d'accents ni de caractères spéciaux)"
+                        % u["user_name"]
+                    )
+                elif len(u["user_name"]) > 64:
                     ok = False
-                    append_msg("role : %s " % role)
-            # Création de l'utilisateur (via SQLAlchemy)
-            if ok:
-                user = User()
-                user.from_dict(u, new_user=True)
-                db.session.add(user)
-                created.append(u["user_name"])
-        db.session.commit()
-    except ScoValueError as value_error:
-        log("import_users: exception: abort create %s" % str(created))
-        db.session.rollback()
-        raise ScoValueError(msg)  # re-raise exception
+                    append_msg(
+                        "identifiant '%s' trop long (64 caractères)" % u["user_name"]
+                    )
+                if len(u["nom"]) > 64:
+                    ok = False
+                    append_msg("nom '%s' trop long (64 caractères)" % u["nom"])
+                if len(u["prenom"]) > 64:
+                    ok = False
+                    append_msg("prenom '%s' trop long (64 caractères)" % u["prenom"])
+                if len(u["email"]) > 120:
+                    ok = False
+                    append_msg("email '%s' trop long (120 caractères)" % u["email"])
+                # check département
+                if u["dept"] != "":
+                    dept = Departement.query.filter_by(acronym=u["dept"]).first()
+                    if dept is None:
+                        ok = False
+                        append_msg("département '%s' inexistant" % u["dept"])
+                for role in u["roles"].split(","):
+                    try:
+                        _, _ = UserRole.role_dept_from_string(role)
+                    except ScoValueError as value_error:
+                        ok = False
+                        append_msg("role : %s " % role)
+                # Création de l'utilisateur (via SQLAlchemy)
+                if ok:
+                    user = User()
+                    user.from_dict(u, new_user=True)
+                    db.session.add(user)
+                    created.append(u["user_name"])
+            db.session.commit()
+        except ScoValueError as value_error:
+            log("import_users: exception: abort create %s" % str(created))
+            db.session.rollback()
+            raise ScoValueError(msg)  # re-raise exception
 
-    for user in users:
-        mail_password(user)
+        for user in users:
+            mail_password(user)
     return ok, msg_list