491635f0fc00102c6729b704b30f64d1f271be23,sympy/solvers/ode/ode.py,,constant_renumber,#Any#Any#Any#,2821

Before Change

    E1 + E2*x + E3*x**2

    
    if type(expr) in (set, list, tuple):
        renumbered = [constant_renumber(e, variables, newconstants) for e in expr]
        return type(expr)(renumbered)

After Change

    

    // System of expressions
    if isinstance(expr, (set, list, tuple)):
        return type(expr)(constant_renumber(Tuple(*expr),
                        variables=variables, newconstants=newconstants))

    // Symbols in solution but not ODE are constants
    if variables is not None:
        variables = set(variables)
        free_symbols = expr.free_symbols
        constantsymbols = list(free_symbols - variables)
    // Any Cn is a constant...
    else:
        variables = set()
        isconstant = lambda s: s.startswith("C") and s[1:].isdigit()

Instances