Clarify comment in plugin examples

src/calibre/manual/creating_plugins.rst

@@ -112,7 +112,7 @@ ui.py
 Now let's look at ui.py which defines the actual GUI plugin. The source code is heavily commented and should be self explanatory:
 
 .. literalinclude:: plugin_examples/interface_demo/ui.py
-    :lines: 10-
+    :lines: 16-
 
 main.py
 ^^^^^^^^^
@@ -120,7 +120,7 @@ main.py
 The actual logic to implement the Interface Plugin Demo dialog.
 
 .. literalinclude:: plugin_examples/interface_demo/main.py
-    :lines: 10-
+    :lines: 16-
 
 Getting resources from the plugin zip file
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

src/calibre/manual/plugin_examples/helloworld/__init__.py

@@ -19,7 +19,7 @@ class HelloWorld(FileTypePlugin):
     version             = (1, 0, 0)   # The version number of this plugin
     file_types          = set(['epub', 'mobi']) # The file types that this plugin will be applied to
     on_postprocess      = True # Run this plugin after conversion is complete
-    minimum_calibre_version = (0, 7, 51)
+    minimum_calibre_version = (0, 7, 52)
 
     def run(self, path_to_ebook):
         from calibre.ebooks.metadata.meta import get_metadata, set_metadata

src/calibre/manual/plugin_examples/interface_demo/__init__.py

@@ -25,7 +25,7 @@ class InterfacePluginDemo(InterfaceActionBase):
     supported_platforms = ['windows', 'osx', 'linux']
     author              = 'Kovid Goyal'
     version             = (1, 0, 0)
-    minimum_calibre_version = (0, 7, 51)
+    minimum_calibre_version = (0, 7, 52)
 
     #: This field defines the GUI plugin class that contains all the code
     #: that actually does something. Its format is module_path:class_name

src/calibre/manual/plugin_examples/interface_demo/main.py

@@ -7,14 +7,14 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-
-from PyQt4.Qt import QDialog, QVBoxLayout, QPushButton, QMessageBox
-
 if False:
     # This is here to keep my python error checker from complaining about
     # the builtin functions that will be defined by the plugin loading system
+    # You do not need this code in your plugins
     get_icons = get_resources = None
 
+from PyQt4.Qt import QDialog, QVBoxLayout, QPushButton, QMessageBox
+
 class DemoDialog(QDialog):
 
     def __init__(self, gui, icon):

src/calibre/manual/plugin_examples/interface_demo/ui.py

@@ -7,15 +7,16 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
+if False:
+    # This is here to keep my python error checker from complaining about
+    # the builtin functions that will be defined by the plugin loading system
+    # You do not need this code in your plugins
+    get_icons = get_resources = None
 
 # The class that all interface action plugins must inherit from
 from calibre.gui2.actions import InterfaceAction
 from calibre_plugins.interface_demo.main import DemoDialog
 
-if False:
-    # This is here to keep my python error checker from complaining about
-    # the builtin functions that will be defined by the plugin loading system
-    get_icons = get_resources = None
 
 class InterfacePlugin(InterfaceAction):