ignoring the system prompt in some cases for refact1.6b model

refact_scratchpads/scratchpad_hf.py

@@ -379,7 +379,15 @@ def __init__(self, *args, **kwargs):
         self._esc = "<empty_output>"
 
     def _prompt(self) -> str:
-        text = self._esc + "SYSTEM You are a programming assistant. If you don't understand the question, just say: I don't understand the question.\n"
+        if len(self._messages) <= 2:
+            # We are ignoring the `system prompt` here 'cause the model
+            # haven't seen more than two messages with a `system prompt` while training
+            # Going to fix this later with the next iteration
+            text = self._esc + ("SYSTEM You are a programming assistant. "
+                                "If you don't understand the question, just say: "
+                                "I don't understand the question.\n")
+        else:
+            text = ""
         for message in self._messages:
             if message["content"] == "":
                 continue