Github user nchammas commented on a diff in the pull request:
https://github.com/apache/spark/pull/5173#discussion_r27773735
--- Diff: python/pyspark/sql/functions.py ---
@@ -116,7 +114,7 @@ def __init__(self, func, returnType):
def _create_judf(self):
f = self.func # put it in closure `func`
- func = lambda _, it: imap(lambda x: f(*x), it)
+ func = lambda _, it: map(lambda x: f(*x), it)
--- End diff --
A common approach I've seen in projects wanting to support both Python 2
and 3 is to use the [`six`](https://pythonhosted.org/six/) compatibility
module, which has [support for renamed
methods](https://pythonhosted.org/six/#module-six.moves).
```
from six.moves import map
```
We probably don't want to add another external dependency, but just thought
I'd throw that out there.
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