Fix bug where prompt was not evolved correctly due to too few tokens being generated

evoprompt/models.py

@@ -119,7 +119,7 @@ class Llama(LLMModel):
         prompt_suffix: str = "",
         chat: bool | None = None,
         stop: str = None,
-        max_tokens: int = 200,
+        max_tokens: int = None,
         history: dict = None,
         **kwargs: Any,
     ) -> tuple[str, ModelUsage]:
@@ -252,7 +252,7 @@ class OpenAI(LLMModel):
         prompt_suffix: str = "",
         chat: bool | None = None,
         stop: str = "</prompt>",
-        max_tokens: int = 200,
+        max_tokens: int = None,
         **kwargs: Any,
     ) -> tuple[str, ModelUsage]:
         if chat is None: