fix spacing

Author: danielenricocahall

keras/src/backend/openvino/nn.py

@@ -200,24 +200,19 @@ def squareplus(x, b=4):
 def sparse_plus(x):
     x = get_ov_output(x)
     et = x.get_element_type()
-
     one = get_ov_output(1.0, et)
     neg_one = get_ov_output(-1.0, et)
     zero = get_ov_output(0.0, et)
     quarter = get_ov_output(0.25, et)
-
     x_plus_1 = ov_opset.add(x, one)
     quad = ov_opset.multiply(quarter, ov_opset.multiply(x_plus_1, x_plus_1))
-
     leq_than_neg_one = ov_opset.less_equal(x, neg_one)
     less_than_one = ov_opset.less(x, one)
-
     out = ov_opset.select(
         leq_than_neg_one,
         zero,
         ov_opset.select(less_than_one, quad, x),
     )
-
     return OpenVINOKerasTensor(out.output(0))