Update app.py

app.py

@@ -1,14 +1,14 @@
 import os
 import io
 from pdf2image import convert_from_path
-from anthropic import Anthropic
+from openai import OpenAI
 import base64
 import asyncio
 from datetime import datetime
 import gradio as gr
 
 # We'll use an environment variable for the API key in Spaces
-ANTHROPIC_API_KEY = os.environ.get("ANTHROPIC_API_KEY")
+OPENAI_API_KEY = os.environ.get("OPENAI_API_KEY")
 
 class PDFTextExtractor:
     def __init__(self, api_key):
@@ -32,7 +32,7 @@ class PDFTextExtractor:
                 img_base64 = base64.b64encode(img_buffer.getvalue()).decode('utf-8')
                 
                 response = self.client.messages.create(
-                    model="claude-3-7-sonnet-20250219",
+                    model="gpt-4o",
                     system="""You are a doctor at a hospital. You can understand sloppy handwriting and convert it to readable text. Extract all the data from the form according to the markdown structure given below.
                             Follow this exact markdown structure:
                             # PATIENT ADMISSION FORM
@@ -154,7 +154,7 @@ class PDFTextExtractor:
             return None
 
 def extract_text(pdf_file):
-    if ANTHROPIC_API_KEY is None:
+    if OPENAI_API_KEY is None:
         return "Error: Anthropic API key not found. Please set the ANTHROPIC_API_KEY environment variable."
 
     extractor = PDFTextExtractor(ANTHROPIC_API_KEY)