update python from 3.9 to 3.12.8 to compat Internal error: unsupported operand type(s) for |: 'type'

Dockerfile

@@ -1,5 +1,5 @@
 # 1. Use Hugging Face recommended Python image
-FROM python:3.9
+FROM python:3.11
 
 # 2. Create non-root user (required by Hugging Face Spaces)
 RUN useradd -m -u 1000 user

clients/groq_client.py

@@ -172,7 +172,6 @@ class GroqClient:
         ]
 
         # Try multiple models with fallback
-        # Add fallback models if compound models fail
         models_to_try = [
             "compound-beta-mini",
             "llama-3.1-8b-instant",
@@ -200,7 +199,7 @@ class GroqClient:
             except Exception as e:
                 # Check if it's a rate limit error
                 if "rate_limit_exceeded" in str(e) or "429" in str(e):
-                    print(f"Rate limit hit for model {model}, trying fallback...")
+                    # print(f"Rate limit hit for model {model}, trying fallback...")
                     continue
                 else:
                     # For other errors, return immediately