Restore original behaviour

pysr/sr.py

@@ -389,7 +389,7 @@ class PySRRegressor(MultiOutputMixin, RegressorMixin, BaseEstimator):
         Default is `0.47`.
     weight_swap_operands : float
         Relative likehood for swapping operands in binary operators.
-        Default is `0.024`.
+        Default is `0.0`.
     weight_randomize : float
         Relative likelihood for mutation to completely delete and then
         randomly generate the equation
@@ -703,7 +703,7 @@ class PySRRegressor(MultiOutputMixin, RegressorMixin, BaseEstimator):
         weight_do_nothing: float = 0.21,
         weight_mutate_constant: float = 0.048,
         weight_mutate_operator: float = 0.47,
-        weight_swap_operands: float = 0.024,
+        weight_swap_operands: float = 0.0,
         weight_randomize: float = 0.00023,
         weight_simplify: float = 0.0020,
         weight_optimize: float = 0.0,