fix build error on riscv64

(cherry picked from commit f8fb51af607ce30ac40900f4b493d388ed946462)

0-test-index-increase-http-server-startup-wait-time.patch

@@ -0,0 +1,13 @@
+diff --git a/test/test_index.py b/test/test_index.py
+index 1208f8a..e61741e 100644
+--- a/test/test_index.py
++++ b/test/test_index.py
+@@ -75,7 +75,7 @@ def test_get_index_from_http_with_query_parameters():
+     else:
+         proc = subprocess.Popen([sys.executable, '-m', 'http.server', '9876'],
+                                 cwd=FILES_DIR)
+-    time.sleep(0.5)
++    time.sleep(2)
+     try:
+         i = get_index(url)
+         assert len(i.distributions.keys()) == 1

python-rosdistro.spec

@@ -9,6 +9,8 @@ License:        BSD and MIT
 URL:            http://www.ros.org/wiki/rosdistro
 Source0:        %{version}.tar.gz
 
+Patch0:         0-test-index-increase-http-server-startup-wait-time.patch
+
 BuildArch:      noarch
 
 %description