修复去除空格问题

src/main/java/com/sztzjy/financial_bigdata/controller/stu/JupyterController.java

@@ -169,15 +169,13 @@ public class JupyterController {
                         out.println("plt.savefig('" + plotFile + "')");
                         out.println(lines[i]);
 
-                        System.out.println("最后一次执行"+i);
+
                         stringList.add(pyPath + imgPathv + ".png");
                         System.out.println("保存图片路径：" + pyPath + imgPathv + ".png");
-                        System.out.println("最后一行添加"+lines[i]);
+
                         continue;
                     }
 
-                    lines[i] = lines[i].trim();
-
                     // 判断是否为 plt.show() 相关的语句
                     if (lines[i].contains("plt.show()")&&i != length - 1) {