Update generative-proof-of-concept-CPU-preprocessing-in-memory.py

Fix string parsing and syntax on results of LLM model serialization test.

Author: david-thrower

generative-proof-of-concept-CPU-preprocessing-in-memory.py

@@ -777,10 +777,10 @@ def create_dataset(raw_text_samples, tokenizer, sample_expansion_batch_size=50,
 
         if result.returncode == 0:
             print("✅ Serialization test passed.")
-            result(result.stdout)
+            print(str(result.stdout))
         else:
             print("❌ Serialization test failed.")
-            print("STDERR:", result.stderr)
+            print("STDERR:", str(result.stderr))
 
         # Return the final result to Optuna
         return result_phase_i_b