Fix broken multiprocessing API in some Python versions

Check nipy/nipype#2754 for more details

Fixes ai4os#95

Author: alvarolopez

deepaas/model/v2/wrapper.py

@@ -396,7 +396,11 @@ def daemon(self, value):
 
 class NonDaemonPool(multiprocessing.pool.Pool):
     # Based on https://stackoverflow.com/questions/6974695/
-    Process = NonDaemonProcess
+    def Process(self, *args, **kwds):
+        proc = super(NonDaemonPool, self).Process(*args, **kwds)
+        proc.__class__ = NonDaemonProcess
+
+        return proc
 
 
 class CancellablePool(object):