diff --git a/apt-blacklist b/apt-blacklist

index 8beef6b..789fa6b 100755

--- a/apt-blacklist

+++ b/apt-blacklist

@@ -1,4 +1,4 @@

-#!/usr/bin/python

+#!/usr/bin/python3

 #vim:set fileencoding=utf-8:

 #

 #   apt-blacklist - Check packages that apt wants to install and abort the

@@ -21,7 +21,7 @@

 #   <http://www.gnu.org/licenses/>.

 #

-from __future__ import with_statement

+

 import os

 import sys

@@ -66,7 +66,7 @@ if __name__ == '__main__':

     for pkg, packager, dummy in pkgInfos:

         for badPackager in packagerBlacklist:

             if packager.lower().find(badPackager) > -1:

-                if not badPackages.has_key(packager):

+                if packager not in badPackages:

                     badPackages[packager] = []

                 badPackages[packager].append(pkg)

                 break

@@ -79,16 +79,16 @@ if __name__ == '__main__':

         for pkg, packager, dummy in pkgInfos:

             for warnPackager in packagerWarnlist:

                 if packager.lower().find(warnPackager) > -1:

-                    if not warnPackages.has_key(packager):

+                    if packager not in warnPackages:

                         warnPackages[packager] = []

                     warnPackages[packager].append(pkg)

         if len(warnPackages) > 0:

-            print

-            print '=== apt-blacklist-warning ==='

+            print()

+            print('=== apt-blacklist-warning ===')

             for packager in sorted(warnPackages):

-                print 'Package(s) %s is changed by maintainer in warning list: "%s"' % (', '.join(warnPackages[packager]), packager)

-            print

+                print('Package(s) %s is changed by maintainer in warning list: "%s"' % (', '.join(warnPackages[packager]), packager))

+            print()

     if os.path.exists(packagerWatchlistPath):

         with open(packagerWatchlistPath) as f:

@@ -99,21 +99,21 @@ if __name__ == '__main__':

             for watchPackager in packagerWatchlist:

                 if oldpackager and (oldpackager.lower().find(watchPackager) > -1) and (newpackager.lower() != oldpackager.lower()):

                     key = (oldpackager,newpackager)

-                    if not watchPackages.has_key(key):

+                    if key not in watchPackages:

                         watchPackages[key] = []

                     watchPackages[key].append(pkg)

         if len(watchPackages) > 0:

-            print

-            print '=== apt-blacklist-watch ==='

+            print()

+            print('=== apt-blacklist-watch ===')

             for oldpackager, newpackager in sorted(watchPackages):

-                print 'Note: package(s) %s was built by %s (after %s)' % (', '.join(watchPackages[(oldpackager,newpackager)]), newpackager, oldpackager)

-            print

+                print('Note: package(s) %s was built by %s (after %s)' % (', '.join(watchPackages[(oldpackager,newpackager)]), newpackager, oldpackager))

+            print()

     if len(badPackages) > 0:

-        print

-        print '=== apt-blacklist ==='

+        print()

+        print('=== apt-blacklist ===')

         for packager in sorted(badPackages):

-            print 'Package(s) %s is blacklisted: "%s"' % (', '.join(badPackages[packager]), packager)

-        print

+            print('Package(s) %s is blacklisted: "%s"' % (', '.join(badPackages[packager]), packager))

+        print()

         sys.exit(1)

-- 

2.24.1