Update app.py

app.py

@@ -34,18 +34,29 @@ else:
 model = SentenceTransformer("Lajavaness/bilingual-embedding-large", trust_remote_code=True)
 
 
-api_token = st.text_input("Enter your API key from [GitHub](https://github.com/marketplace/models/azure-openai/gpt-4o):", "Your-API-key", type="password")
+api_token = st.text_input("Enter your API key from [GitHub](https://github.com/marketplace/models/azure-openai/gpt-4o):", "", type="password")
+
+def validate_token(token, endpoint):
+    try:
+        headers = {"Authorization": f"Bearer {token}"}
+        response = requests.get(f"{endpoint}/models", headers=headers) 
+        return response.status_code == 200
+    except:
+        st.error(f"Token validation error: {e}")
+        return False
 
 if api_token:
-    token = os.environ["GITHUB_TOKEN"] = api_token # security reasons
     endpoint = "https://models.inference.ai.azure.com"
     model_name = "gpt-4o"
     
-    client = OpenAI(
-        base_url=endpoint,
-        api_key=token,
-    )
-    st.success("API Token set for this session.")
+    if validate_token(api_token, endpoint):
+        client = OpenAI(
+            base_url=endpoint,
+            api_key=api_token,
+        )
+        st.success("API Token is valid and set for this session.")
+    else:
+        st.error("Invalid API token. Please check and try again.")
 else:
     st.warning("Please enter an API token to proceed.")