8d60cb0e1b7d501cf774039f55b450e26cceb26b,brian2/stateupdaters/exact.py,LinearStateUpdater,__call__,#LinearStateUpdater#Any#Any#Any#,94

Before Change

        // the specifiers dictionary, it should be sufficient to just check for
        // the presence of any non-constant specifiers.
        for spec in specifiers.itervalues():
            if (any(Symbol(spec.name) in element for element in matrix) and
                not getattr(spec, "constant", False)):
                raise ValueError(("The coefficient matrix for the equations "
                                 "contains "%s", which is not constant.") %

After Change

        // the presence of any non-constant specifiers.
        symbols = reduce(operator.add, (el.atoms() for el in matrix))
        // Only check true symbols, not numbers
        symbols = set([str(symbol) for symbol in symbols
                       if isinstance(symbol, Symbol)])

        for symbol in symbols:

Instances