class_docstr: Sigmoid test class.
code: def input_np(self, in_shape, dtype, min_val, max_val):
      return np.random.uniform(
          low=min_val, high=max_val, size=in_shape
      ).astype(dtype)
  
file_path: tvm/tests/python/contrib/test_hexagon/test_sigmoid.py
imports: import numpy
  import tvm
  import tvm.testing
  from tvm import te
  from tvm import tir
  from tvm import topi
  from tvm.contrib.hexagon import allocate_hexagon_array
  from .infrastructure import get_hexagon_target
label_desc: Use image node_id 1 for calling the TestSigmoid obj's underlying member method code with example usage: obj.input_np(in_shape, dtype, min_val, max_val) and returns: np