From 751a1e08904fda197366e4b0033bdfb8b10d256c Mon Sep 17 00:00:00 2001
From: Julien Chaumond <chaumond@gmail.com>
Date: Mon, 1 Jun 2020 16:25:43 +0200
Subject: [PATCH] [config] Ensure that id2label always takes precedence over
 num_labels

Fixes bug reported in https://github.com/huggingface/transformers/issues/4669

See #3967 for context
---
 src/transformers/configuration_utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/transformers/configuration_utils.py b/src/transformers/configuration_utils.py
index 8aafa6dcf2..fb63a94646 100644
--- a/src/transformers/configuration_utils.py
+++ b/src/transformers/configuration_utils.py
@@ -89,6 +89,7 @@ class PretrainedConfig(object):
         self.id2label = kwargs.pop("id2label", None)
         self.label2id = kwargs.pop("label2id", None)
         if self.id2label is not None:
+            del kwargs["num_labels"]
             self.id2label = dict((int(key), value) for key, value in self.id2label.items())
             # Keys are always strings in JSON so convert ids to int here.
         else: