alway add newline at the of stream

Sometimes the answer from model does not end with newline.
When we stream we do not add newline so the command line can be broken.
This does not affect no-stream flow.

logdetective/logdetective.py

@@ -100,6 +100,7 @@ def main():
         for chunk in response:
             delta = chunk['choices'][0]['text']
             print(delta, end='', flush=True)
+        print()
 
 
 if __name__ == "__main__":