Apply PEP8 formatting fixes

Fix formatting according to PEP8

src/xdgmenumaker

@@ -38,6 +38,7 @@ class App:
     '''
     A class to keep individual app details in.
     '''
+
     def __init__(self, name, icon, command, path):
         self.name = name
         self.icon = icon
@@ -48,11 +49,13 @@ class App:
         return repr((self.name, self.icon, self.command,
                      self.path))
 
+
 class MenuEntry:
     '''
     A class for each menu entry. Includes the class category and app details
     from the App class.
     '''
+
     def __init__(self, category, app):
         self.category = category
         self.app = app
@@ -61,11 +64,13 @@ class MenuEntry:
         return repr((self.category, self.app.name, self.app.icon,
                      self.app.command, self.app.path))
 
+
 class MenuCategory:
     '''
     A class for each menu category. Keeps the category name and the list of
     apps that go in that category.
     '''
+
     def __init__(self, category, applist):
         self.category = category
         self.applist = applist
@@ -271,7 +276,6 @@ def get_entry_info(desktopfile, ico_paths=True):
     else:
         icon = None
 
-
     # removing any %U or %F from the exec line
     command = de.getExec().partition('%')[0]
 
@@ -409,6 +413,7 @@ def category_icon(category):
         icon = None
     return icon
 
+
 def blackbox():
     # Blackbox menus are the same as Fluxbox menus. They just don't support
     # icons.
@@ -416,6 +421,7 @@ def blackbox():
     seticon = False
     fluxbox()
 
+
 def fluxbox():
     if submenu:
         spacing = '  '
@@ -613,6 +619,7 @@ def jwm():
         print('</Menu>')
     print('</JWM>')
 
+
 def compizboxmenu():
     if submenu:
         spacing = '  '
@@ -628,7 +635,8 @@ def compizboxmenu():
         category = menu_category.category
         cat_icon = category_icon(category)
         if seticon and cat_icon is not None:
-            print('{s}<menu icon="{i}" name="{c}">'.format(s=spacing, i=cat_icon, c=category))
+            print('{s}<menu icon="{i}" name="{c}">'.format(
+                s=spacing, i=cat_icon, c=category))
         else:
             print('{s}<menu name="{c}">'.format(s=spacing, c=category))
         for app in menu_category.applist: