Manually fix issues that autopep8 introduced

* iam.py 161 -> 160 chars
* lamba -> single line function -> multiline function

Avoid redefining key

iam line length

iam.py now clean

lib/ansible/modules/storage/netapp/netapp_e_storagepool.py

@@ -121,12 +121,14 @@ def select(predicate, iterable):
             yield x
 
 
+def _identity(obj):
+    return obj
+
+
 class GroupBy(object):
     # python 2, 3 generic grouping.
     def __init__(self, iterable, key=None):
-        if key is None:
-            def key(x): return x
-        self.keyfunc = key
+        self.keyfunc = key if key else _identity
         self.it = iter(iterable)
         self.tgtkey = self.currkey = self.currvalue = object()