[fix] Reraise correctly the error

src/yunohost/log.py

@@ -251,8 +251,8 @@ def is_unit_operation(entities='app,domain,service,user', exclude='auth,password
                 result = func(*args, **kwargs)
             except Exception as e:
                 uo.error(e)
-                import pdb;pdb.set_trace()
-                raise e
+                t, v, tb = exc_info()
+                raise t, v, tb
             else:
                 uo.success()
             return result