TST: add tests for range.__eq__

zipline/utils/range.py

@@ -1,4 +1,3 @@
-from functools import reduce
 import operator as op
 
 from six import PY2
@@ -70,7 +69,22 @@ if PY2:
             return hash((type(self), self.start, self.stop, self.step))
 
         def __eq__(self, other):
-            return reduce(
+            """
+            Examples
+            --------
+            >>> range(1) == range(1)
+            True
+            >>> range(0, 5, 2) == range(0, 5, 2)
+            True
+            >>> range(5, 0, -2) == range(5, 0, -2)
+            True
+
+            >>> range(1) == range(2)
+            False
+            >>> range(0, 5, 2) == range(0, 5, 3)
+            False
+            """
+            return all(
                 getattr(self, attr) == getattr(other, attr)
                 for attr in self.__slots__
             )