Fix all indentation errors in app.py

app.py

@@ -507,7 +507,7 @@ Minimum purchase is 1 roll (67-70 yards)."""
                 prompt = f"User: {user_message}\nAssistant:"
             else:
                 # Fallback format for other models
-            prompt = f"User: {user_message}\nAssistant:"
+                prompt = f"User: {user_message}\nAssistant:"
             
             logger.info(f"Using model: {self.model}")
             logger.info(f"API Key present: {bool(self.api_key)}")
@@ -516,13 +516,13 @@ Minimum purchase is 1 roll (67-70 yards)."""
             
             # Generate response with DialoGPT-optimized parameters
             if "dialogpt" in self.model.lower():
-            response = self.client.text_generation(
-                prompt,
+                response = self.client.text_generation(
+                    prompt,
                     max_new_tokens=150,
                     temperature=0.8,
-                top_p=0.9,
+                    top_p=0.9,
                     top_k=50,
-                repetition_penalty=1.1,
+                    repetition_penalty=1.1,
                     do_sample=True,
                     stop_sequences=["User:", "Assistant:", "\n\n"]
                 )
@@ -544,10 +544,10 @@ Minimum purchase is 1 roll (67-70 yards)."""
             # Clean up the response based on model type
             if "dialogpt" in self.model.lower() or "gpt2" in self.model.lower():
                 # Clean up DialoGPT/GPT-2 response
-            if "Assistant:" in response:
-                assistant_response = response.split("Assistant:")[-1].strip()
-            else:
-                assistant_response = response.strip()
+                if "Assistant:" in response:
+                    assistant_response = response.split("Assistant:")[-1].strip()
+                else:
+                    assistant_response = response.strip()
             
                 # Remove any remaining conversation markers
                 assistant_response = assistant_response.replace("User:", "").replace("Assistant:", "").strip()