diff --git a/.github/workflows/unittest-flux.yml b/.github/workflows/unittest-flux.yml
index 14d10bcb..fc94b3a3 100644
--- a/.github/workflows/unittest-flux.yml
+++ b/.github/workflows/unittest-flux.yml
@@ -63,5 +63,5 @@ jobs:
         OMPI_MCA_rmaps_base_oversubscribe: 'yes'
         OMPI_MCA_btl_vader_single_copy_mechanism: 'none'
     - name: Coveralls
-      if:  matrix.label == 'linux-64-py-3-11-openmpi'
+      if:  matrix.label == 'linux-64-py-3-12-openmpi'
       uses: coverallsapp/github-action@v2
diff --git a/pympipool/slurm/executor.py b/pympipool/slurm/executor.py
index 4824441f..299ab5ee 100644
--- a/pympipool/slurm/executor.py
+++ b/pympipool/slurm/executor.py
@@ -23,7 +23,6 @@ class PySlurmExecutor(ExecutorBase):
         oversubscribe (bool): adds the `--oversubscribe` command line flag (OpenMPI only) - default False
         init_function (None): optional function to preset arguments for functions which are submitted later
         cwd (str/None): current working directory where the parallel python task is executed
-        sleep_interval (float): synchronization interval - default 0.1
         hostname_localhost (boolean): use localhost instead of the hostname to establish the zmq connection. In the
                                       context of an HPC cluster this essential to be able to communicate to an
                                       Executor running on a different compute node within the same allocation. And