from sympy import Sum, oo, latex
expr = Sum(1 / x ** y, (x, 1, oo))
plot(expr, (y, 2, 10), sum_bound=1e03, title="$%s$" % latex(expr))
# Expected:
## Plot object containing:
## [0]: cartesian line: Sum(x**(-y), (x, 1, 1000)) for y over (2.0, 10.0)