Update app.py

app.py

@@ -47,7 +47,7 @@ def split_into_chunks(text, chunk_size=100):
 
 def semantic_search(query, file):
     if file is not None:
-        document = file.encode('utf-8')  
+        document = file.read()  
         chunks = split_into_chunks(document)
         response = query_similarity(query, chunks)
         return format_output(response)