Conflict of keyword method in kwargs of PDEBase.solver

[Max Reihn]

Team,
I have noticed, that if one is to use the solve function with the solver = ScipySolver, then the kwargs are forwarded to the ScipySolver, but the solver can use the keyword method to define which scipy solver is to be used. However in pde/pdes/base.py line 601 the kwarg key method is poped because of depreciation. Unfortunatly I cannot do a Pull request, thank you for all the work here !

[David Zwicker]

Thanks for the report – I added a quick fix to the master branch that should only warn if the solver argument is not set.