Merge branch 'master' of git://github.com/materialsproject/pymatgen

materialsproject · Jul 19, 2013 · 9ddab1b · 9ddab1b
2 parents 8a10db2 + e17601b
commit 9ddab1b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pymatgen/analysis/diffusion_analyzer.py b/pymatgen/analysis/diffusion_analyzer.py
@@ -237,7 +237,7 @@ def from_vaspruns(cls, vaspruns, specie, min_obs=30, weighted=True):
                 proportional to dt)
         """
         structure = vaspruns[0].initial_structure
-        step_skip = vaspruns[0].ionic_step_skip
+        step_skip = vaspruns[0].ionic_step_skip or 1
 
         p = []
         for vr in vaspruns: