fix pylint

Author: RandySheriffH

tests/test_backend.py

@@ -3255,9 +3255,8 @@ def func(diag, k, row, col):
                    tf.raw_ops.MatrixDiagV2(diagonal=diag, k=k, num_rows=row, num_cols=col,
                                            padding_value=0.123, name=_TFOUTPUT1)
 
-        self._run_test_case(func, [_OUTPUT, _OUTPUT1],
-                            {_INPUT: diag_val, _INPUT1: k_val,
-                            _INPUT2: row_val, _INPUT3: col_val})
+        self._run_test_case(func, [_OUTPUT, _OUTPUT1], {_INPUT: diag_val, _INPUT1: k_val,
+                                                        _INPUT2: row_val, _INPUT3: col_val})
 
     @check_opset_min_version(12)
     @check_tf_min_version("2.2")