- Fix build on python 3.7:

* python37.patch

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Paste?expand=0&rev=22

python37.patch

@@ -0,0 +1,23 @@
+# HG changeset patch
+# User Miro Hrončok <miro@hroncok.cz>
+# Date 1528476582 -7200
+#      Fri Jun 08 18:49:42 2018 +0200
+# Branch py37
+# Node ID c5a2c7e3191cdcebf3fa5f0e52f55910ed2120b9
+# Parent  0e5a48796ab969d874c6b772c5c33561ac2d1b0d
+Don't raise StopIteration from generator, return instead
+
+See https://www.python.org/dev/peps/pep-0479/
+
+diff -r 0e5a48796ab9 -r c5a2c7e3191c paste/auth/digest.py
+--- a/paste/auth/digest.py	Tue Mar 08 16:29:31 2016 -0800
++++ b/paste/auth/digest.py	Fri Jun 08 18:49:42 2018 +0200
+@@ -57,7 +57,7 @@
+         prev = item
+ 
+     yield prev.strip()
+-    raise StopIteration
++    return
+ 
+ def _auth_to_kv_pairs(auth_string):
+     """ split a digest auth string into key, value pairs """