Update app.py

app.py

@@ -9,6 +9,7 @@ import datetime
 import difflib
 from tiktoken import get_encoding
 from openai import AzureOpenAI
+import httpx
 
 # Clear proxy environment variables to avoid interference
 os.environ.pop("HTTP_PROXY", None)
@@ -122,10 +123,13 @@ class TextEditor:
 # OpenAIApi class
 class OpenAIApi:
     def __init__(self, preprompt="", endpoint="https://T-App-GPT4o.openai.azure.com/openai/v1/", model="gpt-4o", api_key=None):
+        # Use a minimal httpx.Client to avoid proxies parameter
+        http_client = httpx.Client()
         self.client = AzureOpenAI(
             azure_endpoint=endpoint,
             api_key=api_key or os.getenv("AZURE_OPENAI_API_KEY"),
-            api_version="2025-01-01-preview"
+            api_version="2025-01-01-preview",
+            http_client=http_client
         )
         self.model = model
         self.preprompt = preprompt