Change default method in Location.get_sun_rise_set_transit (#2410)

* Change default method in Location.get_sun_rise_set_transit

* Update v0.11.3.rst

* Update docs/sphinx/source/whatsnew/v0.11.3.rst

Co-authored-by: Kevin Anderson <kevin.anderso@gmail.com>

---------

Co-authored-by: Kevin Anderson <kevin.anderso@gmail.com>

Author: AdamRJensen

docs/sphinx/source/whatsnew/v0.11.3.rst

@@ -20,6 +20,8 @@ Breaking Changes
   Use :py:func:`~pvlib.spectrum.spectral_factor_firstsolar` instead. (:issue:`2130`, :pull:`2131`)
 * Remove deprecated :py:func:`!pvlib.spectrum.get_am15g` function; use
   :py:func:`~pvlib.spectrum.get_reference_spectra` instead.  (:pull:`2409`)
+* Change default method of :py:func:`~pvlib.location.Location.get_sun_rise_set_transit`
+  to ``'spa'`` instead of ``'pyephem'``. (:pull:`2410`)
 
 Bug fixes
 ~~~~~~~~~

pvlib/location.py

@@ -368,15 +368,15 @@ def get_airmass(self, times=None, solar_position=None,
 
         return airmass
 
-    def get_sun_rise_set_transit(self, times, method='pyephem', **kwargs):
+    def get_sun_rise_set_transit(self, times, method='spa', **kwargs):
         """
         Calculate sunrise, sunset and transit times.
 
         Parameters
         ----------
         times : DatetimeIndex
             Must be localized to the Location
-        method : str, default 'pyephem'
+        method : str, default 'spa'
             'pyephem', 'spa', or 'geometric'
 
         kwargs :