fix Rule rate typehint (#520)

pysb · Dec 16, 2020 · 8959fe0 · 8959fe0
1 parent c434f6a
commit 8959fe0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pysb/core.py b/pysb/core.py
@@ -1399,9 +1399,9 @@ class Rule(Component):
     rule_expression : RuleExpression
         RuleExpression containing the essence of the rule (reactants, products,
         reversibility).
-    rate_forward : Parameter
+    rate_forward : Union[Parameter,Expression]
         Forward reaction rate constant.
-    rate_reverse : Parameter, optional
+    rate_reverse : Union[Parameter,Expression], optional
         Reverse reaction rate constant (only required for reversible rules).
     delete_molecules : bool, optional
         If True, deleting a Monomer from a species is allowed to fragment the