Update app.py

app.py

@@ -31,9 +31,11 @@ class PDFChatbot:
     def process_pdf(self, pdf_file):
         """Extract text from PDF and create FAISS index."""
         self.text_chunks = []
-        doc = fitz.open(pdf_file)
-        for page in doc:
-            self.text_chunks.append(page.get_text("text"))
+        
+        # Read the uploaded file into memory
+        with fitz.open("pdf", pdf_file.read()) as doc:  # Use "pdf" as format
+            for page in doc:
+                self.text_chunks.append(page.get_text("text"))
         
         # Embed the chunks
         embeddings = embedding_model.encode(self.text_chunks, convert_to_numpy=True)