apt_rpm: add alias for upgrade, add spaces between functions

plugins/modules/apt_rpm.py

@@ -126,6 +126,7 @@ def update_package_db(module):
 
     return out
 
+
 def clean(module):
     rc, out, err = module.run_command("%s clean" % APT_PATH)
 
@@ -134,6 +135,7 @@ def clean(module):
 
     return "Cleaned\n"
 
+
 def upgrade(module):
     rc, out, err = module.run_command("%s -y dist-upgrade" % APT_PATH)
 
@@ -142,6 +144,7 @@ def upgrade(module):
 
     return out
 
+
 def remove_packages(module, packages):
 
     remove_c = 0
@@ -195,7 +198,7 @@ def main():
             state=dict(type='str', default='present', choices=['absent', 'installed', 'present', 'removed']),
             update_cache=dict(type='bool', default=False),
             clean=dict(type='bool', default=False),
-            upgrade=dict(type='bool', default=False),
+            upgrade=dict(type='bool', default=False, aliases=['dist-upgrade']),
             package=dict(type='list', elements='str', aliases=['name', 'pkg']),
         ),
     )