guard: Allow calling parse with preconfigured num_reasks (guardrails-ai#423)

Author: irgolic

guardrails/guard.py

@@ -459,7 +459,7 @@ def parse(
         llm_output: str,
         metadata: Optional[Dict] = None,
         llm_api: None = None,
-        num_reasks: int = 1,
+        num_reasks: Optional[int] = None,
         prompt_params: Optional[Dict] = None,
         full_schema_reask: Optional[bool] = None,
         *args,
@@ -473,7 +473,7 @@ def parse(
         llm_output: str,
         metadata: Optional[Dict] = None,
         llm_api: Callable[[Any], Awaitable[Any]] = ...,
-        num_reasks: int = 1,
+        num_reasks: Optional[int] = None,
         prompt_params: Optional[Dict] = None,
         full_schema_reask: Optional[bool] = None,
         *args,
@@ -487,7 +487,7 @@ def parse(
         llm_output: str,
         metadata: Optional[Dict] = None,
         llm_api: Optional[Callable] = None,
-        num_reasks: int = 1,
+        num_reasks: Optional[int] = None,
         prompt_params: Optional[Dict] = None,
         full_schema_reask: Optional[bool] = None,
         *args,
@@ -500,7 +500,7 @@ def parse(
         llm_output: str,
         metadata: Optional[Dict] = None,
         llm_api: Optional[Callable] = None,
-        num_reasks: int = 1,
+        num_reasks: Optional[int] = None,
         prompt_params: Optional[Dict] = None,
         full_schema_reask: Optional[bool] = None,
         *args,