--- a/sat_frontends/bridge/bridge_frontend.py	Tue Nov 30 23:31:09 2021 +0100
+++ b/sat_frontends/bridge/bridge_frontend.py	Wed Dec 01 16:13:31 2021 +0100
@@ -28,15 +28,14 @@
         @param message (str): error message
         @param condition (str) : error condition
         """
-        Exception.__init__(self)
+        super().__init__()
         self.fullname = str(name)
         self.message = str(message)
         self.condition = str(condition) if condition else ""
         self.module, __, self.classname = str(self.fullname).rpartition(".")
 
     def __str__(self):
-        message = (": %s" % self.message) if self.message else ""
-        return self.classname + message
+        return self.classname + (f": {self.message}" if self.message else "")
 
     def __eq__(self, other):
         return self.classname == other