ENH: Improved python 3 compatibility

Author: demianw

nipype/pipeline/plugins/oar.py

@@ -116,7 +116,7 @@ def _submit_batchtask(self, scriptfile, node):
         while True:
             try:
                 result = cmd.run()
-            except Exception, e:
+            except Exception as e:
                 if tries < self._max_tries:
                     tries += 1
                     sleep(self._retry_timeout)