typo fix for lambda tokens

README.md

@@ -91,9 +91,9 @@ dpr_ctx_emb = dpr_ctx_encoder(**dpr_ctx_input).pooler_output
 
 # Compute Λ embeddings
 lexmodel_query_input = lexmodel_tokenizer(query, return_tensors='pt')
-lexmodel_query_emb = lexmodel_query_encoder(**query_input).last_hidden_state[:, 0, :]
+lexmodel_query_emb = lexmodel_query_encoder(**lexmodel_query_input).last_hidden_state[:, 0, :]
 lexmodel_ctx_input = lexmodel_tokenizer(contexts, padding=True, truncation=True, return_tensors='pt')
-lexmodel_ctx_emb = lexmodel_context_encoder(**ctx_input).last_hidden_state[:, 0, :]
+lexmodel_ctx_emb = lexmodel_context_encoder(**lexmodel_ctx_input).last_hidden_state[:, 0, :]
 
 # Form SPAR embeddings via concatenation