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[GPT2] Add correct keys on _keys_to_ignore_on_load_unexpected on all child classes of GPT2PreTrainedModel #24113

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merged 2 commits into from
Jun 8, 2023
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[GPT2] Add correct keys on _keys_to_ignore_on_load_unexpected on all child classes of GPT2PreTrainedModel #24113

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23c7bc0
add correct keys on `_keys_to_ignore_on_load_unexpected`
younesbelkada Jun 8, 2023
2df12a8
oops
younesbelkada Jun 8, 2023
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6 changes: 5 additions & 1 deletion src/transformers/models/gpt2/modeling_gpt2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -668,7 +668,8 @@ class GPT2DoubleHeadsModelOutput(ModelOutput):
GPT2_START_DOCSTRING,
)
class GPT2Model(GPT2PreTrainedModel):
_keys_to_ignore_on_load_missing = ["attn.masked_bias"]
_keys_to_ignore_on_load_unexpected = [r"h\.\d+\.attn\.bias", r"h\.\d+\.attn\.masked_bias"]
_keys_to_ignore_on_load_missing = [r"attn.masked_bias", r"h\.\d+\.attn\.masked_bias", r"h\.\d+\.attn\.bias"]

def __init__(self, config):
super().__init__(config)
Expand Down Expand Up @@ -1149,6 +1150,7 @@ def _reorder_cache(
GPT2_START_DOCSTRING,
)
class GPT2DoubleHeadsModel(GPT2PreTrainedModel):
_keys_to_ignore_on_load_unexpected = [r"h\.\d+\.attn\.bias", r"h\.\d+\.attn\.masked_bias"]
_keys_to_ignore_on_load_missing = [r"attn.masked_bias", r"attn.bias", r"lm_head.weight"]

def __init__(self, config):
Expand Down Expand Up @@ -1377,6 +1379,7 @@ def _reorder_cache(
GPT2_START_DOCSTRING,
)
class GPT2ForSequenceClassification(GPT2PreTrainedModel):
_keys_to_ignore_on_load_unexpected = [r"h\.\d+\.attn\.bias", r"h\.\d+\.attn\.masked_bias"]
_keys_to_ignore_on_load_missing = [r"h\.\d+\.attn\.masked_bias", r"lm_head.weight"]

def __init__(self, config):
Expand Down Expand Up @@ -1600,6 +1603,7 @@ def forward(
GPT2_START_DOCSTRING,
)
class GPT2ForQuestionAnswering(GPT2PreTrainedModel):
_keys_to_ignore_on_load_unexpected = [r"h\.\d+\.attn\.bias", r"h\.\d+\.attn\.masked_bias"]
_keys_to_ignore_on_load_missing = [r"h\.\d+\.attn\.masked_bias", r"h\.\d+\.attn\.bias", r"lm_head.weight"]

def __init__(self, config):
Expand Down