dianfu commented on a change in pull request #8472: [FLINK-12327][python] Adds 
support to submit Python Table API job in CliFrontend
URL: https://github.com/apache/flink/pull/8472#discussion_r284992504
 
 

 ##########
 File path: 
flink-clients/src/main/java/org/apache/flink/client/cli/ProgramOptions.java
 ##########
 @@ -104,12 +154,10 @@ else if (args.length > 0) {
                                if (parallelism <= 0) {
                                        throw new NumberFormatException();
                                }
-                       }
-                       catch (NumberFormatException e) {
+                       } catch (NumberFormatException e) {
                                throw new CliArgsException("The parallelism 
must be a positive number: " + parString);
                        }
-               }
-               else {
 
 Review comment:
   unnecessary change

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