code: def test_issue_14036():
      a, n = symbols("a n")
      assert product(1 - a**2 / (n * pi) ** 2, [n, 1, oo]) != 0
  
imports: from sympy.concrete.products import Product, product
  from sympy.concrete.summations import Sum
  from sympy.core.function import Derivative, Function, diff
  from sympy.core.numbers import Rational, oo, pi
  from sympy.core.singleton import S
  from sympy.core.symbol import Dummy, Symbol, symbols
  from sympy.functions.combinatorial.factorials import rf, factorial
  from sympy.functions.elementary.exponential import exp, log
  from sympy.functions.elementary.miscellaneous import sqrt
  from sympy.functions.elementary.trigonometric import cos, sin
  from sympy.functions.special.tensor_functions import KroneckerDelta
  from sympy.simplify.combsimp import combsimp
  from sympy.simplify.simplify import simplify
  from sympy.testing.pytest import raises
label_desc: Use image node_id 19 for calling a global function with example usage: test_issue_14036() without return types