Fix embed and gadget page.

Reviewed in https://codereview.appspot.com/6873059/.
diff --git a/samples/api-python-client-doc/embed.html b/samples/api-python-client-doc/embed.html
index ce84a8e..df21c85 100644
--- a/samples/api-python-client-doc/embed.html
+++ b/samples/api-python-client-doc/embed.html
@@ -68,7 +68,7 @@
       <tr>
         <td><img class=icon src="{{ item.icons.x16 }}"/> {{ item.title }}</td>
         <td><a target=_top href="{{ item.documentationLink }}">Documentation</a></td>
-        <td><a target=_top href="/{{ item.name }}_{{ item.safe_version }}.html">PyDoc</a></td>
+        <td><a target=_top href="https://google-api-client-libraries.appspot.com/documentation/{{ item.name }}/{{ item.version }}/python/latest/">PyDoc</a></td>
         <td>{{ item.name }}</td>
         <td>{{ item.version}}</td>
       </tr>