Just remove the whole nonsense

wrappers/python/simtk/openmm/__init__.py

-#
-#
-#
-
 """
 Package simtk.openmm
 
@@ -13,17 +9,7 @@ It also tries to load any plugin modules it can find.
 
 __author__ = "Randall J. Radmer"
 
-import os, sys, glob, os.path
-if sys.platform not in ['win32', 'darwin']:
-    # The following is an evil incantation that is needed to permit
-    # the POSIX "dlopen" function to work.  I do not understand
-    # it.  If a better solution is known, please forward to the
-    # PyOpenMM code maintainers.
-    import ctypes
-    flags = sys.getdlopenflags()
-    sys.setdlopenflags(flags | ctypes.RTLD_GLOBAL)
-
-
+import os, os.path
 from simtk.openmm.openmm import *
 from simtk.openmm.vec3 import Vec3
 from simtk.openmm import version
@@ -32,7 +18,3 @@ if os.getenv('OPENMM_PLUGIN_DIR') is None and os.path.isdir(version.openmm_libra
 else:
     pluginLoadedLibNames = Platform.loadPluginsFromDirectory(Platform.getDefaultPluginsDirectory())
 __version__ = Platform.getOpenMMVersion()
-
-if sys.platform not in ['win32', 'darwin']:
-    # rset the dlopen flags on linux
-    sys.setdlopenflags(flags)