Github user BryanCutler commented on a diff in the pull request:
https://github.com/apache/spark/pull/20373#discussion_r163420474
--- Diff: python/pyspark/cloudpickle.py ---
@@ -522,17 +529,22 @@ def save_function_tuple(self, func):
self.memoize(func)
# save the rest of the func data needed by _fill_function
- save(f_globals)
- save(defaults)
- save(dct)
- save(func.__module__)
- save(closure_values)
+ state = {
+ 'globals': f_globals,
+ 'defaults': defaults,
+ 'dict': dct,
+ 'module': func.__module__,
+ 'closure_values': closure_values,
+ }
+ if hasattr(func, '__qualname__'):
+ state['qualname'] = func.__qualname__
+ save(state)
--- End diff --
Preserve func.__qualname__ when defined
https://github.com/cloudpipe/cloudpickle/commit/14b38a3ab5970d96cce1492c790494932285f845
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