diff --git a/examples/show_multi_bar.py b/examples/show_multi_bar.py
index c415d87..3399cb9 100644
--- a/examples/show_multi_bar.py
+++ b/examples/show_multi_bar.py
@@ -12,10 +12,15 @@ def compute_stuff(num: int, pbar: sc.threading.Multibar):
         time.sleep(0.05 * speed * random.random())
         # if random.random() > 0.98:
         #     print(f"some text {i}")
+    return num
 
 
 def main():
-    sc.threading.apply_with_progress(compute_stuff, range(12), n_cpu=4, unpack=False)
+    data = sc.threading.apply_with_progress(
+        compute_stuff, range(12), n_cpu=4, unpack=False, n_pertask=SIZE
+    )
+
+    print(data)
 
 
 if __name__ == "__main__":
diff --git a/pyproject.toml b/pyproject.toml
index bd90388..2a4cdc0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "scgenerator"
-version = "0.4.3"
+version = "0.4.4"
 description = "Simulate nonlinear pulse propagation in optical fibers"
 readme = "README.md"
 authors = [{ name = "Benoit Sierro", email = "benoit.sierro@iap.unibe.ch" }]