'Non-existent config key: MODEL.BACKBONE.OUT_CHANNELS'

[christina1228]

when I want to run the demo, it become (the last few lines)
~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in _merge_a_into_b(a, b, root, key_list)
476 if isinstance(v, CfgNode):
477 try:
--> 478 _merge_a_into_b(v, b[k], root, key_list + [k])
479 except BaseException:
480 raise

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in _merge_a_into_b(a, b, root, key_list)
489 root.raise_key_rename_error(full_key)
490 else:
--> 491 raise KeyError("Non-existent config key: {}".format(full_key))
492
493

KeyError: 'Non-existent config key: MODEL.BACKBONE.OUT_CHANNELS'
12/16/2021 09:09:14 PM INFO: Shutdown kernel
12/16/2021 09:09:14 PM WARNING: Exiting with nonzero exit status

[christina1228]

---

KeyError Traceback (most recent call last)
in
2 # ViLBERT part
3 # =============================
----> 4 feature_extractor = FeatureExtractor()
5
6 args = SimpleNamespace(from_pretrained= "save/multitask_model/pytorch_model_9.bin",

in init(self)
5 def init(self):
6 self.args = self.get_parser()
----> 7 self.detection_model = self._build_detection_model()
8
9 def get_parser(self):

in _build_detection_model(self)
19
20 def _build_detection_model(self):
---> 21 cfg.merge_from_file(self.args.config_file)
22 cfg.freeze()
23

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in merge_from_file(self, cfg_filename)
211 with open(cfg_filename, "r") as f:
212 cfg = self.load_cfg(f)
--> 213 self.merge_from_other_cfg(cfg)
214
215 def merge_from_other_cfg(self, cfg_other):

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in merge_from_other_cfg(self, cfg_other)
215 def merge_from_other_cfg(self, cfg_other):
216 """Merge cfg_other into this CfgNode."""
--> 217 _merge_a_into_b(cfg_other, self, self, [])
218
219 def merge_from_list(self, cfg_list):

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in _merge_a_into_b(a, b, root, key_list)
476 if isinstance(v, CfgNode):
477 try:
--> 478 _merge_a_into_b(v, b[k], root, key_list + [k])
479 except BaseException:
480 raise

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in _merge_a_into_b(a, b, root, key_list)
476 if isinstance(v, CfgNode):
477 try:
--> 478 _merge_a_into_b(v, b[k], root, key_list + [k])
479 except BaseException:
480 raise

~/anaconda3/envs/vilbert-mt/lib/python3.6/site-packages/yacs/config.py in _merge_a_into_b(a, b, root, key_list)
489 root.raise_key_rename_error(full_key)
490 else:
--> 491 raise KeyError("Non-existent config key: {}".format(full_key))
492
493

KeyError: 'Non-existent config key: MODEL.BACKBONE.OUT_CHANNELS'
12/16/2021 09:09:14 PM INFO: Shutdown kernel
12/16/2021 09:09:14 PM WARNING: Exiting with nonzero exit status