Update app.py

app.py

@@ -3,10 +3,11 @@ import openai
 import fitz  # PyMuPDF
 import numpy as np
 from sklearn.metrics.pairwise import cosine_similarity
+from io import BytesIO
 
-# Function to extract text from the PDF file
-def extract_pdf_text(pdf_file_path):
-    doc = fitz.open(pdf_file_path)
+# Function to extract text from the uploaded PDF file
+def extract_pdf_text(pdf_file):
+    doc = fitz.open(stream=pdf_file.read(), filetype="pdf")
     text = ""
     for page in doc:
         text += page.get_text("text")
@@ -41,7 +42,7 @@ def get_relevant_context(pdf_text, query, num_contexts=3):
 def generate_response(context, question):
     prompt = f"The following is an excerpt from a research paper on GPT-4. Please answer the question based on this context:\n\nContext: {context}\n\nQuestion: {question}\nAnswer:"
     response = openai.Completion.create(
-        model="gpt-4o-mini",  # Replace with the appropriate model identifier
+        model="gpt-4-0314",  # Replace with the appropriate model identifier
         prompt=prompt,
         max_tokens=200,
         temperature=0.7,