code: def _integer_instance(n):
      return isinstance(n, Integer)
  
file_path: sympy/sympy/integrals/trigonometry.py
imports: from sympy.core import cacheit, Dummy, Ne, Integer, Rational, S, Wild
  from sympy.functions import binomial, sin, cos, Piecewise, Abs
  from .integrals import integrate
label_desc: Use image node_id 1 for calling a global function with example usage: _integer_instance(n) and returns: isinstance