Fix embed and gadget page.

Reviewed in https://codereview.appspot.com/6873059/.
diff --git a/samples/api-python-client-doc/gadget.html b/samples/api-python-client-doc/gadget.html
index 0287e28..1a7cb07 100644
--- a/samples/api-python-client-doc/gadget.html
+++ b/samples/api-python-client-doc/gadget.html
@@ -8,7 +8,7 @@
       <tr> 
         <td><img style="width: 16px; height: 16px" src="{{ item.icons.x16 }}"/> {{ item.name }} </td>
         <td><a href="{{ item.documentationLink }}">Documentation</a></td>
-        <td><a href="/{{ item.name }}_{{ item.safe_version }}.html">PyDoc</a></td>
+        <td><a href="https://google-api-client-libraries.appspot.com/documentation/{{ item.name }}/{{ item.version }}/python/latest/">PyDoc</a></td>
       </tr> 
       {% endfor %}
     </table>