misc fixes: ensure buffered response is an iterator (no need to explicitly check, check doesn't work in jython)

query_handler: include check for '-' status code for revisits

pywb/framework/wbrequestresponse.py

@@ -187,10 +187,7 @@ class WbResponse(object):
                 self.body.close()
             return []
 
-        if hasattr(self.body, '__iter__'):
-            return self.body
-        else:
-            return [str(self.body)]
+        return self.body
 
     def __repr__(self):
         return str(vars(self))

pywb/webapp/query_handler.py

@@ -144,7 +144,7 @@ class QueryHandler(object):
 
             wburl.LATEST_REPLAY:
                 {'sort': 'reverse',
-                 'filter': ['statuscode:[23]..'],
+                 'filter': ['statuscode:[23]..|-'],
                  'limit': '1',
                  'resolveRevisits': True,
                 }

pywb/webapp/replay_views.py

@@ -174,7 +174,7 @@ class ReplayView(object):
                                           content_length_str)
             out.close()
 
-        return content
+        return [content]
 
     def _redirect_if_needed(self, wbrequest, cdx):
         if wbrequest.options['is_proxy']: