simdata: add SimulationData.close()

1 files changed, 3 insertions, 0 deletions

diff --git a/simdata.py b/simdata.py
index c56bd0e..f37f002 100644
--- a/simdata.py
+++ b/simdata.py
@@ -167,3 +167,6 @@ class SimulationData(object):
         self.rl = []
         for rl in df.rl:
             self.rl.append(_RefinementLevel(self, len(self.rl)))
+
+    def close(self):
+        self.df.close()