From e15abb8b09b09fd0b183cd4a281eb4af051c3b50 Mon Sep 17 00:00:00 2001
From: Fawzi Mohamed <fawzi.mohamed@fhi-berlin.mpg.de>
Date: Wed, 16 May 2018 17:38:58 +0200
Subject: [PATCH] Make at least the enertest pass

---
 parser/parser-charmm/CHARMMParser.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/parser/parser-charmm/CHARMMParser.py b/parser/parser-charmm/CHARMMParser.py
index 17c6eee..304a759 100644
--- a/parser/parser-charmm/CHARMMParser.py
+++ b/parser/parser-charmm/CHARMMParser.py
@@ -250,7 +250,8 @@ class CHARMMParser(SmartParser.ParserBase):
         self.metaStorage.updateBackend(backend.superBackend, 
                 startsection=['section_frame_sequence'],
                 autoopenclose=False)
-        backend.addValue("frame_sequence_to_sampling_ref", self.secSamplingGIndex)
+        if self.secSamplingGIndex is not None:
+            backend.addValue("frame_sequence_to_sampling_ref", self.secSamplingGIndex)
         backend.addArrayValues("frame_sequence_local_frames_ref", np.asarray(self.singleConfCalcs))
         backend.closeSection("section_frame_sequence", frameSequenceGIndex)
 
-- 
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