Apply suggestions from code review

Co-authored-by: Frederik Bauer <[email protected]>

Author: seqizz

src/check_plugin_vulnerability.py

@@ -3,7 +3,7 @@
 
 This scripts checks the Jenkins Plugins for security issues
 
-Copyright (c) 2021 InnoGames GmbH
+Copyright (c) 2022 InnoGames GmbH
 """
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -29,17 +29,19 @@
 from sys import exit
 
 SCRIPT = """
-    import jenkins.security.*
+    import jenkins.security.UpdateSiteWarningsConfiguration
+    import jenkins.security.ExtensionList
+    import groovy.json.JsonBuilder
     ExtensionList<UpdateSiteWarningsConfiguration> configurations = ExtensionList.lookup(UpdateSiteWarningsConfiguration.class);
     UpdateSiteWarningsConfiguration configuration = configurations.get(0);
-    problematic_plugins = []
-    current_warnings = configuration.getApplicableWarnings()
+    def problematic_plugins = []
+    def current_warnings = configuration.getApplicableWarnings()
     current_warnings.each {
         if (it.type.name() == 'PLUGIN') {
             problematic_plugins.add(it.component)
         }
     }
-    print(new groovy.json.JsonBuilder(problematic_plugins.unique()))
+    print(new JsonBuilder(problematic_plugins.unique()))
 """  # NOQA E501 Don't wrap because of groovy code
 
 IGNORE_FILE = '/etc/nagios-plugins/check_plugin_vulnerability_ignore'