add the message to the missing fishjam id error

Author: czerwiukk

fishjam/api/_fishjam_client.py

@@ -90,7 +90,7 @@ def __init__(
         fishjam_url: str | None = None,
     ):
         """
-        Create FishjamClient instance, providing the fishjam url and managment token.
+        Create a FishjamClient instance, providing the fishjam id and management token.
         """
         super().__init__(
             fishjam_id=fishjam_id,

fishjam/errors.py

@@ -64,4 +64,6 @@ def __init__(self, errors):
 
 
 class MissingFishjamIdError(Exception):
-    pass
+    def __init__(self, message: str = "Missing Fishjam ID"):
+        """@private"""
+        super().__init__(message)