remove dangling pdb statement

Author: todpole3

src/semantic_parser/learn_framework.py

@@ -397,7 +397,6 @@ def get_encoder_attn_mask(table_names, table_masks):
                     ptr_input_tokens, ptr_input_values, num_excluded_tables, num_excluded_fields = \
                         get_table_aware_transformer_encoder_inputs(
                             exp.text_ptr_values, exp.text_tokens, schema_features, self.tu)
-                    pdb.set_trace()
                     assert(len(ptr_input_tokens) <= self.tu.tokenizer.max_len)
                     if num_excluded_fields > 0:
                         print('Warning: training input truncated')