actually we do need to recreate the exception

Author: sneakers-the-rat

src/noob/network/message.py

@@ -88,7 +88,8 @@ class AnnounceValue(TypedDict):
 
 
 class ErrorValue(TypedDict):
-    err: Exception
+    err_type: type[Exception]
+    err_args: tuple
     traceback: TracebackException
 
 

src/noob/runner/zmq.py

@@ -574,7 +574,8 @@ def error(self, err: Exception) -> None:
         msg = ErrorMsg(
             node_id=self.spec.id,
             value=ErrorValue(
-                err=err,
+                err_type=type(err),
+                err_args=err.args,
                 traceback=tbexception,
             ),
         )
@@ -733,7 +734,7 @@ def _throw_error(self) -> None:
 
         # add the traceback as a note,
         # sort of the best we can do without using tblib
-        err = errval["err"]
+        err = errval["err_type"](*errval["err_args"])
         tb_message = "\nError re-raised from node runner process\n\n"
         tb_message += "Original traceback:\n"
         tb_message += "-" * 20 + "\n"