diff --git a/tiramisu_api/api.py b/tiramisu_api/api.py
index 172219d..a7122e3 100644
--- a/tiramisu_api/api.py
+++ b/tiramisu_api/api.py
@@ -819,7 +819,7 @@ class Config:
                 root_path = subpath
             schema = schema['properties'].get(root_path)
             if schema is None:
-                raise AttributeError(_(f'option "{subpath}" inconnue dans l\'optiondescription "{current_subpath}"'))
+                raise AttributeError(_('option "{0}" inconnue dans l\'optiondescription "{1}"').format(subpath, current_subpath))
             current_subpath = subpath
         return schema
 
diff --git a/tiramisu_api/error.py b/tiramisu_api/error.py
index c015478..ed45210 100644
--- a/tiramisu_api/error.py
+++ b/tiramisu_api/error.py
@@ -1,6 +1,6 @@
 try:
     from tiramisu.error import APIError, ValueWarning, ValueOptionError, ValueErrorWarning, PropertiesOptionError, ConfigError, display_list
-except (ModuleNotFoundError, ImportError):
+except ImportError:
     import weakref
     from .i18n import _
 
diff --git a/tiramisu_api/i18n.py b/tiramisu_api/i18n.py
index a2f02d6..db19aad 100644
--- a/tiramisu_api/i18n.py
+++ b/tiramisu_api/i18n.py
@@ -1,6 +1,6 @@
 try:
     from tiramisu.i18n import _
-except ModuleNotFoundError:
+except ImportError:
     # FIXME
     def _(val):
         return val
diff --git a/tiramisu_api/setting.py b/tiramisu_api/setting.py
index 4a39241..d1731cb 100644
--- a/tiramisu_api/setting.py
+++ b/tiramisu_api/setting.py
@@ -1,6 +1,6 @@
 try:
     from tiramisu.setting import undefined
-except ModuleNotFoundError:
+except ImportError:
     class Undefined(object):
         def __str__(self):
             return 'Undefined'