Update app.py

app.py

@@ -7,6 +7,7 @@ from langchain.prompts import PromptTemplate
 from pathlib import Path
 from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint
 from langchain_core.output_parsers import JsonOutputParser
+from langdetect import detect
 
 llm = HuggingFaceEndpoint(
     repo_id="mistralai/Mistral-7B-Instruct-v0.3",
@@ -34,26 +35,7 @@ def summarize(file, n_words):
         with open(file_path, 'r', encoding='utf-8') as f:
             text = f.read()
             
-    template_detect = '''
-Please carefully read the following document:
-
-<document>
-{TEXT}
-</document>
-
-identify the MOST used language in the document, return detected language in json format with key "language" and value is the detected language
-'''
-    
-    prompt_detect = PromptTemplate(
-        template=template_detect,
-        input_variables=['TEXT']    
-    )
-    
-    language_detect = prompt_detect | llm | JsonOutputParser()
-    formatted_prompt = prompt_detect.format(TEXT=text)
-    language = language_detect.invoke(formatted_prompt)
-
-    lang = language["language"]
+    lang = detect(text)
     template_translate = '''
 Please carefully read the following document:
 <document>