Fixed error appending to DCD files

28f66d32 · peastman · 24dd6efa · 28f66d32
Commit 28f66d32 authored Aug 01, 2017 by peastman
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wrappers/python/simtk/openmm/app/dcdreporter.py wrappers/python/simtk/openmm/app/dcdreporter.py +1 -1

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--- a/wrappers/python/simtk/openmm/app/dcdreporter.py
+++ b/wrappers/python/simtk/openmm/app/dcdreporter.py
@@ -57,7 +57,7 @@ class DCDReporter(object):
        self._reportInterval = reportInterval
        self._append = append
        if append:
-            mode = 'a+b'
+            mode = 'r+b'
        else:
            mode = 'wb'
        self._out = open(file, mode)