Rename module to so module and method don't conflict in autodoc.

docs/pulsar.managers.staging.rst

@@ -4,18 +4,18 @@ pulsar.managers.staging package
 Submodules
 ----------
 
-pulsar.managers.staging.postprocess module
-------------------------------------------
+pulsar.managers.staging.post module
+-----------------------------------
 
-.. automodule:: pulsar.managers.staging.postprocess
+.. automodule:: pulsar.managers.staging.post
     :members:
     :undoc-members:
     :show-inheritance:
 
-pulsar.managers.staging.preprocess module
------------------------------------------
+pulsar.managers.staging.pre module
+----------------------------------
 
-.. automodule:: pulsar.managers.staging.preprocess
+.. automodule:: pulsar.managers.staging.pre
     :members:
     :undoc-members:
     :show-inheritance:

pulsar/managers/staging/__init__.py

@@ -3,7 +3,7 @@ preprocessing (currently this means downloading or copying files) and then unsta
 or send results back to client during postprocessing.
 """
 
-from .postprocess import postprocess
-from .preprocess import preprocess
+from .post import postprocess
+from .pre import preprocess
 
 __all__ = ['preprocess', 'postprocess']