Merge remote-tracking branch 'origin' into release/2.6.1
diff --git a/setup.py b/setup.py
index 3490577..23b2720 100755
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
 try:
    import pypandoc
    readme = pypandoc.convert('README.md', 'rst')
-except (IOError, ImportError):
+except (IOError, ImportError, OSError, RuntimeError):
    readme = ''
 
 setup(name='isort',