Fix long line

more_itertools/more.py

@@ -1346,8 +1346,8 @@ def groupby_transform(iterable, keyfunc=None, valuefunc=None):
         [(0, 'ab'), (1, 'cde'), (2, 'fgh'), (3, 'i')]
 
     Note that the order of items in the iterable is significant.
-    Only adjacent items are grouped together, so if you don't want any duplicate
-    groups, you should sort the iterable by the key function.
+    Only adjacent items are grouped together, so if you don't want any
+    duplicate groups, you should sort the iterable by the key function.
 
     """
     valuefunc = (lambda x: x) if valuefunc is None else valuefunc