[Python 3]: Workaround epydoc exceptions hack, since epydoc does not work on Python 3.

paramiko/__init__.py

@@ -88,6 +88,10 @@ from paramiko.hostkeys import HostKeys
 from paramiko.config import SSHConfig
 from paramiko.proxy import ProxyCommand
 
+import six
+
+if not six.PY3:
+    # Skipping port to Python 3 since, Epydoc has not been ported to Python 3.
     # fix module names for epydoc
     for c in locals().values():
         if issubclass(type(c), type) or type(c).__name__ == 'classobj':