Update app.py

app.py

@@ -27,8 +27,11 @@ def semantic_search(query, top_k=3):
 def upload_and_index(file):
     global global_docs, nn_model, doc_embeddings
     try:
-        # Read the file content and decode to text
-        content = file.read().decode("utf-8")
+        # Read the file content from the file path
+        with open(file.name, 'r', encoding='utf-8') as f:
+            content = f.read()
+        
+        # Split content into lines and process
         lines = content.splitlines()
         global_docs = [line.strip() for line in lines if line.strip()]