Update: remove nullified questions

oab_exams_disabled.py

@@ -56,10 +56,12 @@ FILES = [
 def join_lines(lines):
     texts = []
     for line in lines:
-        if line.strip() == "":
+        if line.strip() == "" and len(texts) > 0 and texts[-1] != "\n":
             texts.append("\n")
         else:
-            texts.append(line.strip() + " ")
+            if len(texts) > 0 and texts[-1] != "\n":
+                texts.append(" ")
+            texts.append(line.strip())
     return "".join(texts).strip()
 
 class OABExams(datasets.GeneratorBasedBuilder):
@@ -75,6 +77,7 @@ class OABExams(datasets.GeneratorBasedBuilder):
                     "exam_id": datasets.Value("string"),
                     "exam_year": datasets.Value("string"),
                     "question_type": datasets.Value("string"),
+                    "nullified": datasets.Value("bool"),
                     "question": datasets.Value("string"),
                     "choices": datasets.Sequence(feature={
                         "text": datasets.Value("string"),
@@ -110,6 +113,7 @@ class OABExams(datasets.GeneratorBasedBuilder):
                 for i, line in enumerate(lines):
                     # if line matches regex that validates "Questão 1" or "Questão 80 NULL"
                     if re.match(r"Questão \d{1,2}(\sNULL)?", line.strip()):
+                        nullified = 'NULL' in line
                         question_number = int(line.strip().split(" ")[1])
                         question_id = exam_id + "_" + str(question_number)
                         questions_temp.append(
@@ -118,7 +122,8 @@ class OABExams(datasets.GeneratorBasedBuilder):
                                 "question_number": question_number,
                                 "exam_id": exam_id,
                                 "exam_year": exam_year,
-                                "lines": [line]
+                                "lines": [line],
+                                "nullified": nullified
                             }
                         )
                     else:
@@ -167,12 +172,17 @@ class OABExams(datasets.GeneratorBasedBuilder):
                     choices["text"].append(join_lines(temp_question_text))
                     temp_question_text = None
 
+                #Remove nulls
+                if question_temp["nullified"]:
+                    continue
+
                 yield question_temp['question_id'], {
                     "id": question_temp['question_id'],
                     "question_number": question_temp['question_number'],
                     "exam_id": question_temp['exam_id'],
                     "exam_year": question_temp['exam_year'],
                     "question_type": question_type,
+                    "nullified": question_temp['nullified'],
                     "question": question,
                     "choices": choices,
                     "answerKey": answerKey