Merge pull request espressomd#258 from espressomd/python

Head
jngrad · Jun 1, 2019 · 093a0a0 · 093a0a0
2 parents a155190 + 544f12a
commit 093a0a0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/python/espressomd/polymer.pyx b/src/python/espressomd/polymer.pyx
@@ -142,7 +142,7 @@ def positions(**kwargs):
     validate_params(params, default_params)
 
     cdef vector[Vector3d] start_positions
-    if (params["start_positions"] != []):
+    if (params["start_positions"].size > 0):
         for i in range(len(params["start_positions"])):
             start_positions.push_back(
                 make_Vector3d(params["start_positions"][i]))