[Feature]: To be compatible with the latest version of MiniGPT-4 (#539)

* [Feature]: To be compatible with the latest version of MiniGPT-4

* [Feature]: User try and except
Co-authored-by: Fengzhe Zhou <zfz-960727@163.com>

* [Fix]: Fix lint

---------
Co-authored-by: bensenliu <bensenliu@tencent.com>
Co-authored-by: Fengzhe Zhou <zfz-960727@163.com>

opencompass/multimodal/models/minigpt_4/minigpt_4.py

@@ -27,6 +27,12 @@ def load_package():
     current_folder_path = os.path.dirname(current_file_path)
 
     sys.path.append(os.path.join(current_folder_path, 'MiniGPT-4'))  # noqa
+
+    try:
+        # the latest version of MiniGPT4
+        from minigpt4.models.minigpt4 import MiniGPT4
+    except ImportError:
+        # the old version of MiniGPT4
         from minigpt4.models.mini_gpt4 import MiniGPT4
 
     sys.path.pop(-1)