Update app.py

app.py

@@ -117,7 +117,7 @@ def test_model_availability(api_key, model_name):
 def create_base64_markdown_image(image_url):
     try:
         response = requests.get(image_url, stream=True)
-        response.raise_for_status()=
+        response.raise_for_status()
 
         image_data = response.content
         base64_encoded = base64.b64encode(image_data).decode('utf-8')