Link to new location for scipy.window documentation (pandas-dev#36540)

* Update link to scipy documentation

This documentation has moved on Scipy. Update the link accordingly.

* Update computation.rst

Author: jpeacock29

doc/source/user_guide/computation.rst

@@ -433,7 +433,7 @@ The following methods are available:
 
 The weights used in the window are specified by the ``win_type`` keyword.
 The list of recognized types are the `scipy.signal window functions
-<https://docs.scipy.org/doc/scipy/reference/signal.html#window-functions>`__:
+<https://docs.scipy.org/doc/scipy/reference/signal.windows.html#module-scipy.signal.windows>`__:
 
 * ``boxcar``
 * ``triang``

pandas/core/window/rolling.py

@@ -940,7 +940,7 @@ class Window(_Window):
 
     If ``win_type=None`` all points are evenly weighted. To learn more about
     different window types see `scipy.signal window functions
-    <https://docs.scipy.org/doc/scipy/reference/signal.html#window-functions>`__.
+    <https://docs.scipy.org/doc/scipy/reference/signal.windows.html#module-scipy.signal.windows>`__.
 
     Certain window types require additional parameters to be passed. Please see
     the third example below on how to add the additional parameters.