Update app.py

app.py

@@ -68,23 +68,22 @@ else:
 def preprocess_text(text):
     sentences = sent_tokenize(text)
     return sentences
-
 def upload_files(files):
     global faiss_index
     try:
         for file in files:
             file_name = file.name
             
-            # Check if file content is available directly
-            if hasattr(file, "content"):
-                file_content = file.content
+            # Extract file content
+            if isinstance(file, str):
+                file_content = file
             else:
-                return {"error": "File content not accessible"}
+                file_content = file.read().decode("utf-8")
 
             if file_name.endswith('.pdf'):
-                text = extract_text_from_pdf(file_content)
+                text = extract_text_from_pdf(file_content.encode())
             elif file_name.endswith('.docx'):
-                text = extract_text_from_docx(file_content)
+                text = extract_text_from_docx(file_content.encode())
             else:
                 return {"error": "Unsupported file format"}