fix code style

Author: jacquesqiao

python/paddle/fluid/transpiler/distribute_transpiler.py

@@ -1237,8 +1237,9 @@ def _create_table_optimize_block(self, pserver_index, pserver_program,
         # create table param and grad var in pserver program
         # create table optimize block in pserver program
         table_opt_op = [
-            op for op in self.optimize_ops if 'Param' in op.input_names and
-            op.input("Param")[0] == self.table_name
+            op for op in self.optimize_ops
+            if 'Param' in op.input_names and op.input("Param")[0] ==
+            self.table_name
         ][0]
 
         origin_param_var = self.origin_program.global_block().vars[