fixed api issues

app.py

@@ -7,9 +7,9 @@ import json
 if "stream" not in st.session_state:
     st.session_state.stream = True
 
-api_key = os.getenv("NVIDIA_VISION_KEY")
-MODEL_ID = "llama-3.2-11b-vision-instruct"
-invoke_url = "https://ai.api.nvidia.com/v1/gr/meta/llama-3.2-11b-vision-instruct/chat/completions"
+api_key = os.getenv("NVIDIA_VISION_API_KEY")
+MODEL_ID = "meta/llama-3.2-90b-vision-instruct"
+invoke_url = "https://ai.api.nvidia.com/v1/gr/meta/llama-3.2-90b-vision-instruct/chat/completions"
 
 # Function to encode the image
 def encode_image(image_path):
@@ -107,17 +107,6 @@ def main():
                     stream=stream  # Important for streaming
                 )
 
-                #handle if the AI refused to connect
-                try:
-                    if (                  
-                        json.loads(response).get("type") == "about:blank"
-                        and json.loads(response).get("status") == 404):
-                        st.error("Resource not found. Please check the URL.")
-                        return
-                except json.JSONDecodeError as e:
-                        st.error("Resource not found. Please check the URL.")
-                        pass
-
                 if stream:
                     print(f"response: {response.text}")
 
@@ -126,6 +115,8 @@ def main():
                     # Efficiently handle streaming response
                     for chunk in response.iter_lines(): 
                         
+                        print(f"chunk: {chunk}")
+
                         if len(chunk) > 0:                             
                             content += extract_content(chunk)
                             response_container.markdown(content)