pep8 compliance: W291 trailing whitespace

filters/demo/filterdemo.py

@@ -1,25 +1,25 @@
 
 # the inputs list tells MCEdit what kind of options to present to the user.
-# each item is a (name, value) pair.  name is a text string acting     
+# each item is a (name, value) pair.  name is a text string acting
 # both as a text label for the input on-screen and a key for the 'options'
-# parameter to perform(). value and its type indicate allowable and 
+# parameter to perform(). value and its type indicate allowable and
 # default values for the option:
 
 #    True or False:  creates a checkbox with the given value as default
 #    int or float value: creates a value input with the given value as default
 #        int values create fields that only accept integers.
-#    tuple of numbers: a tuple of ints or floats creates a value input with minimum and 
-#        maximum values. a 2-tuple specifies (min, max) with min as default. 
+#    tuple of numbers: a tuple of ints or floats creates a value input with minimum and
+#        maximum values. a 2-tuple specifies (min, max) with min as default.
 #        a 3-tuple specifies (default, min, max)
 #    tuple of strings: a tuple of strings creates a popup menu whose entries are
 #        labeled with the given strings. the first item in the tuple is selected
 #        by default. returns one of the strings in the tuple.
 #    "blocktype" as a string: creates a button the user can click to choose
-#        a block type in a list. returns a Block object. the object has 'ID' 
+#        a block type in a list. returns a Block object. the object has 'ID'
 #        and 'blockData' attributes.
 
 # this dictionary creates an integer input with range (-128, 128) and default 4,
-# a blocktype picker, a floating-point input with no limits and default 15.0, 
+# a blocktype picker, a floating-point input with no limits and default 15.0,
 # a checkbox initially checked, and a menu of choices
 
 inputs = (
@@ -30,9 +30,9 @@ inputs = (
   ("Access method", ("Use blockAt", "Use temp schematic", "Use chunk slices")),
 )
 
-# perform() is the main entry point of a filter. Its parameters are 
+# perform() is the main entry point of a filter. Its parameters are
 # a MCLevel instance, a BoundingBox, and an options dictionary.
-# The options dictionary will have keys corresponding to the keys specified above, 
+# The options dictionary will have keys corresponding to the keys specified above,
 # and values reflecting the user's input.
 
 # you get undo for free: everything within 'box' is copied to a temporary buffer
@@ -70,12 +70,12 @@ def perform(level, box, options):
     if method == "Use temp schematic":
         temp = level.extractSchematic(box)
 
-        # remove any entities in the temp.  this is an ugly move 
+        # remove any entities in the temp.  this is an ugly move
         # because copyBlocksFrom actually copies blocks, entities, everything
         temp.removeEntitiesInBox(temp.bounds)
         temp.removeTileEntitiesInBox(temp.bounds)
 
-        # replaces gold with TNT. 
+        # replaces gold with TNT.
         # the expression in [] creates a temporary the same size, using more memory
         temp.Blocks[temp.Blocks == 14] = 46
 
@@ -93,7 +93,7 @@ def perform(level, box, options):
             blocks = chunk.Blocks[slices]
 
             # blocks now contains a "view" on the part of the chunk's blocks
-            # that lie in the selection. This "view" is a numpy object that 
+            # that lie in the selection. This "view" is a numpy object that
             # accesses only a subsection of the original array, without copying
 
             # once again, gold into TNT