bug fix

lbrynet/lbrynet_daemon/LBRYDaemon.py

@@ -1188,9 +1188,12 @@ class LBRYDaemon(jsonrpc.JSONRPC):
 
     def _get_est_cost(self, name):
         def _check_est(d, name):
-            if isinstance(d.result, float):
+            try:
+                if d.result:
                     log.info("Cost est for lbry://" + name + ": " + str(d.result) + "LBC")
-            else:
+                    return defer.succeed(None)
+            except AttributeError:
+                pass
             log.info("Timeout estimating cost for lbry://" + name + ", using key fee")
             d.cancel()
             return defer.succeed(None)