[PATCH] fix traceback in partitioning ui

[David Lehman <dlehman redhat com>]

Partition requests can be None when populating the tree. (#474284)
    
Port of commit 3568291 from rhel5-branch.

Patch attached.

diff --git a/iw/partition_gui.py b/iw/partition_gui.py
index 7520651..384758d 100644
--- a/iw/partition_gui.py
+++ b/iw/partition_gui.py
@@ -882,8 +882,7 @@ class PartitionWindow(InstallWindow):
                         self.tree[iter]['Format'] = self.lock_pixbuf
 		    elif request.format:
 			self.tree[iter]['Format'] = self.checkmark_pixbuf
-
-			
+		
                 if request and request.fstype:
                     self.tree[iter]['IsFormattable'] = request.fstype.isFormattable()
                 
@@ -909,7 +908,7 @@ class PartitionWindow(InstallWindow):
 		    else:
 			self.tree[iter]['Mount Point'] = ""
 
-                    if request.isEncrypted(self.partitions, True) and request.format:
+                    if request and request.isEncrypted(self.partitions, True) and request.format:
 			self.tree[iter]['Format'] = self.lock_pixbuf
                 elif part.fs_type:
                     if request and request.fstype != None:
@@ -919,9 +918,9 @@ class PartitionWindow(InstallWindow):
                     else:
                         ptype = part.fs_type.name
 
-                    if request.isEncrypted(self.partitions, True) and request.format:
+                    if request and request.isEncrypted(self.partitions, True) and request.format:
 			self.tree[iter]['Format'] = self.lock_pixbuf
-                    elif request.format:
+                    elif request and request.format:
 			self.tree[iter]['Format'] = self.checkmark_pixbuf
                 else:
                     if request and request.fstype != None: