Let the fetcher throw an exception which will be caught and handed to the operator anyway

backend/content_fetcher.py

@@ -109,7 +109,7 @@ class html_requests(Fetcher):
 
     def run(self, url, timeout, request_headers):
         import requests
-        try:
+
         r = requests.get(url,
                          headers=request_headers,
                          timeout=timeout,
@@ -117,16 +117,6 @@ class html_requests(Fetcher):
 
         html = r.text
 
-        # Usually from networkIO/requests level
-        except (
-                requests.exceptions.ConnectionError, requests.exceptions.ReadTimeout,
-                requests.exceptions.MissingSchema) as e:
-            self.error = str(e)
-            return None
-
-        except Exception as e:
-            self.error = "Other exception" + str(e)
-            return None
 
         # @todo test this
         if not r or not html or not len(html):