diff --git a/examples/async-simulation/Experiment.ipynb b/examples/async-simulation/Experiment.ipynb
index c50a8cb11..12a9aee42 100644
--- a/examples/async-simulation/Experiment.ipynb
+++ b/examples/async-simulation/Experiment.ipynb
@@ -80,17 +80,17 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 65,
+   "execution_count": 70,
    "id": "f0380d35",
    "metadata": {},
    "outputs": [],
    "source": [
     "session_config_fedavg = {\n",
     "                    \"helper\": \"numpyhelper\",\n",
-    "                    \"session_id\": \"experiment_fedavg17\",\n",
+    "                    \"session_id\": \"experiment_fedavg4\",\n",
     "                    \"aggregator\": \"fedavg\",\n",
     "                    \"model_id\": seed_model['model_id'],\n",
-    "                    \"rounds\": 10,\n",
+    "                    \"rounds\": 1,\n",
     "                 }\n",
     "\n",
     "result_fedavg = client.start_session(**session_config_fedavg)"
diff --git a/examples/async-simulation/README.md b/examples/async-simulation/README.md
index 859a3035e..11d24eb9a 100644
--- a/examples/async-simulation/README.md
+++ b/examples/async-simulation/README.md
@@ -18,8 +18,14 @@ cd fedn/examples/async-simulation
 
 Install FEDn and dependencies (we recommend using a virtual environment):
 
+Standing in the folder 'fedn/fedn'
+
+```
+pip install -e .
+```
+
+From examples/async-simulation
 ```
-pip install -e ../../fedn
 pip install -r requirements.txt
 ```
 
diff --git a/fedn/fedn/network/controller/control.py b/fedn/fedn/network/controller/control.py
index 053e686cd..5f9cfe976 100644
--- a/fedn/fedn/network/controller/control.py
+++ b/fedn/fedn/network/controller/control.py
@@ -356,7 +356,8 @@ def reduce(self, combiners):
                     model = load_model_from_BytesIO(data, helper)
                     meta["time_aggregate_model"] += time.time() - tic
                 i = i + 1
-                self.model_repository.delete_model(model_id)
+
+            self.model_repository.delete_model(model_id)
 
         return model, meta
 
diff --git a/fedn/fedn/network/storage/s3/miniorepository.py b/fedn/fedn/network/storage/s3/miniorepository.py
index fdc29b558..dcdf5c1f6 100644
--- a/fedn/fedn/network/storage/s3/miniorepository.py
+++ b/fedn/fedn/network/storage/s3/miniorepository.py
@@ -87,12 +87,12 @@ def list_artifacts(self, bucket):
                 "Could not list models in bucket {}".format(bucket))
         return objects
 
-    def delete_artifact(self, instance_name, bucket=[]):
+    def delete_artifact(self, instance_name, bucket):
         """ Delete object with name instance_name from buckets.
 
         :param instance_name: The object name
-        :param bucket: List of buckets to delete from
-        :type bucket: list
+        :param bucket: Buckets to delete from
+        :type bucket: str
         """
 
         try:
diff --git a/fedn/fedn/network/storage/s3/repository.py b/fedn/fedn/network/storage/s3/repository.py
index cc0122e5e..d7d455341 100644
--- a/fedn/fedn/network/storage/s3/repository.py
+++ b/fedn/fedn/network/storage/s3/repository.py
@@ -63,7 +63,7 @@ def delete_model(self, model_id):
         :type model_id: str
         """
         try:
-            self.client.delete_artifact(model_id, bucket=[self.model_bucket])
+            self.client.delete_artifact(model_id, bucket=self.model_bucket)
         except Exception:
             logger.error("Failed to delete model {} repository.".format(model_id))
             raise