update base_solver.solve

pybamm/solvers/base_solver.py

@@ -710,16 +710,16 @@ def solve(
             The model whose solution to calculate. Must have attributes rhs and
             initial_conditions. All calls to solve must pass in the same model or
             an error is raised
-        t_eval : numeric type
-            The times (in seconds) at which to compute the solution
+        t_eval : None, list or ndarray, optional
+            The times (in seconds) at which to compute the solution. Defaults to None.
         inputs : dict or list, optional
             A dictionary or list of dictionaries describing any input parameters to
             pass to the model when solving
         nproc : int, optional
             Number of processes to use when solving for more than one set of input
             parameters. Defaults to value returned by "os.cpu_count()".
-        calculate_sensitivities : list of str or bool
-            If true, solver calculates sensitivities of all input parameters.
+        calculate_sensitivities : list of str or bool, optional
+            Whether the solver calculates sensitivities of all input parameters. Defaults to False.
             If only a subset of sensitivities are required, can also pass a
             list of input parameter names