Update explainers/explainer_router.py

explainers/explainer_router.py

@@ -6,6 +6,7 @@ from models import ExplainerResult
 from explainers.explainer_percent import explain_percent_question
 from explainers.explainer_ratio import explain_ratio_question
 from explainers.explainer_algebra import explain_algebra_question
+from explainers.explainer_probability import explain_probability_question
 
 
 def route_explainer(text: str) -> Optional[ExplainerResult]:
@@ -13,6 +14,7 @@ def route_explainer(text: str) -> Optional[ExplainerResult]:
         explain_percent_question,
         explain_ratio_question,
         explain_algebra_question,
+        explain_probability_question
     ):
         result = fn(text)
         if result is not None and getattr(result, "understood", False):