Apply suggestions from code review

dweindl · dilpath · web-flow · commit 54624fe67681 · 2024-12-19T08:46:38.000+01:00
Co-authored-by: Dilan Pathirana &lt;59329744+dilpath@users.noreply.github.com&gt;
diff --git a/petab/v1/problem.py b/petab/v1/problem.py
@@ -1075,7 +1075,7 @@ def add_parameter(
         self,
         id_: str,
         estimate: bool | str | int = True,
-        nominal_value=None,
+        nominal_value: Number | None = None,
         scale: str = None,
         lb: Number = None,
         ub: Number = None,
diff --git a/petab/v2/problem.py b/petab/v2/problem.py
@@ -830,7 +830,7 @@ def add_parameter(
         self,
         id_: str,
         estimate: bool | str | int = True,
-        nominal_value=None,
+        nominal_value: Number | None = None,
         scale: str = None,
         lb: Number = None,
         ub: Number = None,
