Removes the newline at the end

Author: shenxianpeng

main.py

@@ -70,7 +70,7 @@ def read_result_file() -> str | None:
             result_text = re.sub(
                 r"\x1B\[[0-9;]*[a-zA-Z]", "", result_file.read()
             )  # Remove ANSI colors
-        return result_text
+        return result_text.rstrip()
     return None