Update app.py

app.py

@@ -164,8 +164,8 @@ class TextEditor:
 class OpenAIApi:
     def __init__(self, preprompt="", endpoint="https://T-App-GPT4o.openai.azure.com/", model="gpt-4o", api_key=None):
         # Validate endpoint format
-        if not re.match(r"^https://[a-zA-Z0-9-]+\.openai\.com/?$", endpoint):
-            logger.warning(f"Endpoint format may be incorrect: {endpoint}. Expected format: https://<resource>.openai.azure.com/")
+        if not re.match(r"^https://[a-zA-Z0-9-]+\.openai\.azure\.com/?$", endpoint):
+            logger.warning(f"Endpoint format may be incorrect: {endpoint}. Expected format: https://<resource-name>.openai.azure.com/")
         
         # Use a minimal httpx.Client to avoid proxies parameter
         http_client = httpx.Client()
@@ -180,10 +180,10 @@ class OpenAIApi:
             logger.error(f"Failed to initialize AzureOpenAI client: {str(e)}")
             raise
         self.model = model
-        self.preprompt = prompt
+        self.preprompt = preprompt
         self.memory = ConversationMemory()
         self.editor = TextEditor(self.memory)
-        logger.info(f"Initialized OpenAIApi with: endpoint: {endpoint}, model: {model}, api_version: 2024-02-15-preview}")
+        logger.info(f"Initialized OpenAIApi with endpoint: {endpoint}, model: {model}, api_version: 2024-02-15-preview")
         self.functions = [
             {
                 "type": "function",