Fix lint

Author: jaeyoo

tensorflow_quantum/core/ops/math_ops/__init__.py

@@ -14,5 +14,5 @@
 # ==============================================================================
 """Module for tfq.core.ops.math_ops.*"""
 
-from tensorflow_quantum.core.ops.math_ops.inner_product_op import inner_product
-from tensorflow_quantum.core.ops.math_ops.inner_product_op import inner_product_hessian
+from tensorflow_quantum.core.ops.math_ops.inner_product_op import (
+  inner_product, inner_product_hessian)

tensorflow_quantum/core/ops/math_ops/inner_product_hessian_test.py

@@ -106,7 +106,7 @@ def get_finite_difference_hessian(circuit, name_j, name_k, resolver):
 
 
 class InnerProductAdjHessianTest(tf.test.TestCase, parameterized.TestCase):
-    """Tests tfq_inner_product_hessian."""s
+    """Tests tfq_inner_product_hessian."""
 
     def test_inner_product_hessian_inputs(self):
         """Makes sure that inner_product_adj_hessian fails on bad inputs."""