Update app.py

app.py

@@ -20,9 +20,9 @@ api_key = os.getenv("ANTHROPIC_API_KEY")
 if not api_key:
     raise ValueError("ANTHROPIC_API_KEY environment variable not set")
 
-# Load Claude 3.5 Sonnet model with explicit minimal parameters to avoid 'proxies' issue
+# Fix: Initialize ChatAnthropic correctly without any proxy settings
 llm = ChatAnthropic(
-    api_key=api_key,
+    anthropic_api_key=api_key,  # Changed from api_key to anthropic_api_key
     model="claude-3-5-sonnet-20240229"
 )