diff --git a/IPython/Extensions/astyle.py b/IPython/Extensions/astyle.py
index b86810c..782a33c 100644
--- a/IPython/Extensions/astyle.py
+++ b/IPython/Extensions/astyle.py
@@ -266,10 +266,7 @@ else:
         yield (-1, True)
         for info in self:
             yield info
-    try:
-        ipipe.xrepr.when_type(Text)(xrepr_astyle_text)
-    except Exception:
-        pass
+    ipipe.xrepr.when_type(Text)(xrepr_astyle_text)
 
 
 def streamstyle(stream, styled=None):
diff --git a/IPython/Extensions/ibrowse.py b/IPython/Extensions/ibrowse.py
index bcd693d..68a07c1 100644
--- a/IPython/Extensions/ibrowse.py
+++ b/IPython/Extensions/ibrowse.py
@@ -796,16 +796,14 @@ class ibrowse(ipipe.Display):
     keymap.register("refresh", "r")
     keymap.register("refreshfind", "R")
 
-    def __init__(self, input=None, attrs=None):
+    def __init__(self, input=None, *attrs):
         """
         Create a new browser. If ``attrs`` is not empty, it is the list
         of attributes that will be displayed in the browser, otherwise
         these will be determined by the objects on screen.
         """
-        self.input = input
+        ipipe.Display.__init__(self, input)
 
-        if attrs is None:
-            attrs = ()
         self.attrs = attrs
 
         # Stack of browser levels
diff --git a/IPython/Extensions/igrid.py b/IPython/Extensions/igrid.py
index 3b50286..a2d317f 100644
--- a/IPython/Extensions/igrid.py
+++ b/IPython/Extensions/igrid.py
@@ -1102,13 +1102,10 @@ class igrid(ipipe.Display):
     (which is curses-based) or ``idump`` (which simply does a print).
     """
 
-    def __init__(self, input=None):
-        self.input = input
-
     if wx.VERSION < (2, 7):
         def display(self):
             try:
-                # Try to create a "standalone" from. If this works we're probably
+                # Try to create a "standalone" frame. If this works we're probably
                 # running with -wthread.
                 # Note that this sets the parent of the frame to None, but we can't
                 # pass a result object back to the shell anyway.
diff --git a/IPython/Extensions/ipipe.py b/IPython/Extensions/ipipe.py
index 51a3a0e..4569cb1 100644
--- a/IPython/Extensions/ipipe.py
+++ b/IPython/Extensions/ipipe.py
@@ -130,8 +130,6 @@ except ImportError:
     genutils = None
     ipapi = None
 
-import astyle
-
 
 __all__ = [
     "ifile", "ils", "iglob", "iwalk", "ipwdentry", "ipwd", "igrpentry", "igrp",
@@ -1932,6 +1930,9 @@ class Display(object):
         def __ror__(self, input):
             return input | self()
 
+    def __init__(self, input=None):
+        self.input = input
+
     def __ror__(self, input):
         self.input = input
         return self
@@ -2069,6 +2070,9 @@ def xformat(value, mode, maxlength):
     return (align, width, text)
 
 
+
+import astyle
+
 class idump(Display):
     # The approximate maximum length of a column entry
     maxattrlength = 200
@@ -2076,7 +2080,8 @@ class idump(Display):
     # Style for column names
     style_header = astyle.Style.fromstr("white:black:bold")
 
-    def __init__(self, *attrs):
+    def __init__(self, input=None, *attrs):
+        Display.__init__(self, input)
         self.attrs = [upgradexattr(attr) for attr in attrs]
         self.headerpadchar = " "
         self.headersepchar = "|"
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 337593a..0cce2b4 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,9 +1,11 @@
 2008-01-19  Walter Doerwald  <walter@livinglogic.de>
 
-	* IPython/Extensions/ibrowse.py, IPython/Extensions/igrid.py:
-	The input object can now be passed to the constructor of ibrowse/igrid.
+	* ibrowse.py, igrid.py, ipipe.py:
+	The input object can now be passed to the constructor of the display classes.
 	This makes it possible to use them with objects that implement __or__.
-
+	* ipipe.py: Importing astyle.py is done as late as possible to
+	avoid problems with circular imports.
+	
 2008-01-19 Ville Vainio  <vivainio@gmail.com>
 
 	* hooks.py, iplib.py: Added 'shell_hook' to customize how