code: def test_cmp_bug2():
      class T:
          pass
  
      t = T()
  
      assert not (Symbol == t)
      assert Symbol != t
  
file_path: sympy/sympy/core/tests/test_equal.py
imports: from sympy.core.numbers import Rational
  from sympy.core.symbol import Dummy, Symbol
  from sympy.functions.elementary.exponential import exp
label_desc: Use image node_id 4 for calling a global function with example usage: test_cmp_bug2() without return types