attempt to fix flake8 errors

I hope that this fixes the flake8 errors.  I attempted to mimic the
multi-line links seen in other parts of this .py file

Author: Kurt Rhee

pvlib/solarposition.py

@@ -1052,7 +1052,9 @@ def equation_of_time_spencer71(dayofyear):
     Myers [4]_ and printed in both the Fourier paper from the Sundial
     Mailing List and R. Hulstrom's [5]_ book.
 
-    .. _Fourier paper: http://www.mail-archive.com/[email protected]/msg01050.html
+    .. `Fourier paper:
+        <http://www.mail-archive.com/
+        [email protected]/msg01050.html>`_
 
     Parameters
     ----------
@@ -1100,7 +1102,8 @@ def equation_of_time_pvcdrom(dayofyear):
     `PVCDROM`_ is a website by Solar Power Lab at Arizona State
     University (ASU)
 
-    .. _PVCDROM: http://www.pveducation.org/pvcdrom/2-properties-sunlight/solar-time
+    .. `PVCDROM: <http://www.pveducation.org/
+    pvcdrom/2-properties-sunlight/solar-time>`_
 
     Parameters
     ----------