From 076a78bb5e557da24e115274f12c27f912267ccf Mon Sep 17 00:00:00 2001
From: Steven Rieder <steven@rieder.nl>
Date: Fri, 19 Mar 2021 15:17:58 +0000
Subject: [PATCH] Update cluster.py

---
 src/amuse/ext/masc/cluster.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/amuse/ext/masc/cluster.py b/src/amuse/ext/masc/cluster.py
index 1946323..ae7cc1d 100644
--- a/src/amuse/ext/masc/cluster.py
+++ b/src/amuse/ext/masc/cluster.py
@@ -73,6 +73,8 @@ def new_fixed_mass_distribution(
                 mass_max=stellar_mass/number_of_stars,
             )
         initial_mass_function = new_fixed_mass_distribution
+    else:
+        raise ValueError("This imf is not implemented")
 
     if stellar_mass:
         # Add stars to cluster, until mass limit reached (inclusive!)