2 cols min clozes

XML_Moodle.py

@@ -124,7 +124,7 @@ class Cloze(Question):
 				self.choices.append(Answer(f"{l}) {c}", 0, self.max))
 
 	def __str__(self):
-		res = "\\element{" + self.category + "}{\n\t\\begin{" + self.env + "}{" + self.id + "}\\nbpoints{" + score_2_str(self.max) + "}\\\\\n" + self.q +"\n\t\t\\begin{multicols}{"+str(len(self.choices_num))+"}\n\t\t\t\\begin{choices}[o]\n\\AMCnoCompleteMulti"
+		res = "\\element{" + self.category + "}{\n\t\\begin{" + self.env + "}{" + self.id + "}\\nbpoints{" + score_2_str(self.max) + "}\\\\\n" + self.q +"\n\t\t\\begin{multicols}{"+str(max(2,len(self.choices_num)))+"}\n\t\t\t\\begin{choices}[o]\n\\AMCnoCompleteMulti"
 		res += "\n"
 		l = 0
 		i = 0