change some open fn encoding to utf-8

request_llms/bridge_moonshot.py

@@ -31,7 +31,7 @@ class MoonShotInit:
                     files.append(f)
                 for file in files:
                     if file.split('.')[-1] in ['pdf']:
-                        with open(file, 'r') as fp:
+                        with open(file, 'r', encoding='utf8') as fp:
                             from crazy_functions.crazy_utils import read_and_clean_pdf_text
                             file_content, _ = read_and_clean_pdf_text(fp)
                         what_ask.append({"role": "system", "content": file_content})