Update for loop to infinity in http_client.py

The elif-statement in its original form would never be executed, so the exception would never be raised. This could potentially lead to an infinite loop.

Author: E-D-A

steembase/http_client.py

@@ -157,7 +157,7 @@ def exec(self, name, *args, api=None, return_with_args=None, _ret_cnt=0):
             # try switching nodes before giving up
             if _ret_cnt > 2:
                 time.sleep(_ret_cnt) # we should wait only a short period before trying the next node, but still slowly increase backoff
-            elif _ret_cnt > 10:
+            if _ret_cnt > 10:
                 raise e
             self.next_node()
             logging.debug('Switched node to %s due to exception: %s' %