more pep

Author: jreback

pandas/index.pyx

@@ -557,8 +557,9 @@ cdef class MultiIndexEngine(IndexEngine):
 
     def _call_monotonic(self, object mi):
         # defer these back to the mi iteself
-        return mi.is_monotonic_increasing, mi.is_monotonic_decreasing, \
-               mi.is_unique
+        return (mi.is_monotonic_increasing,
+                mi.is_monotonic_decreasing,
+                mi.is_unique)
 
     def get_backfill_indexer(self, other, limit=None):
         # we coerce to ndarray-of-tuples