a little profiling to sort our why we don't download images

screenless/bureau/bureau.py

@@ -386,7 +386,13 @@ class Bureau(object):
 
         # use an URL fetcher that waits 30s instead of 10s
         def slowfetch(url, timeout=30, ssl_context=None):
-            return weasyprint.default_url_fetcher(url, 30, ssl_context)
+            print("fetching", url)
+            import time
+            start = time.time()
+            ret = weasyprint.default_url_fetcher(url, 30, ssl_context)
+            elapsed = time.time() - start
+            print("fetched", url, "in", elapsed)
+            return ret
 
         weasyprint.HTML(url_fetcher=slowfetch,
                         string=templ.render_unicode(**kwargs)).write_pdf(pdfpath)