restore pep8 clean-ups (from c115289) accidentally reverted in c118863

src/Products/ZCatalog/Lazy.py

@@ -145,19 +145,19 @@ class LazyMap(Lazy):
     # Don't access data until necessary
 
     def __init__(self, func, seq, length=None):
-        self._seq=seq
-        self._func=func
+        self._seq = seq
+        self._func = func
         if length is not None:
-            self._len=length
+            self._len = length
         else:
             self._len = len(seq)
         self._marker = object()
         self._data = [self._marker] * self._len
 
-    def __getitem__(self,index):
-        data=self._data
+    def __getitem__(self, index):
+        data = self._data
         try:
-            s=self._seq
+            s = self._seq
         except AttributeError:
             return data[index]