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Merge lp:~divmod-dev/divmod.org/fix-deprecation-warnings.

Fix an assortment of DeprecationWarnings.

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Epsilon/epsilon/process.py
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Process and stdio related functionality.
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"""
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import os, sys, imp, sets
 
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import os, sys, imp
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from zope.interface import implements
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        if p.startswith(os.path.join(sys.prefix, 'lib')):
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            continue
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        pythonpath.append(p)
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    pythonpath = list(sets.Set(pythonpath))
 
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    pythonpath = list(set(pythonpath))
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    pythonpath.extend(env.get('PYTHONPATH', '').split(os.pathsep))
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    env['PYTHONPATH'] = os.pathsep.join(pythonpath)
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