Mass check-in after untabifying all files that need it.
diff --git a/Lib/knee.py b/Lib/knee.py
index 2473f9b..95c3c23 100644
--- a/Lib/knee.py
+++ b/Lib/knee.py
@@ -16,93 +16,93 @@
     q, tail = find_head_package(parent, name)
     m = load_tail(q, tail)
     if not fromlist:
-	return q
+        return q
     if hasattr(m, "__path__"):
-	ensure_fromlist(m, fromlist)
+        ensure_fromlist(m, fromlist)
     return m
 
 def determine_parent(globals):
     if not globals or  not globals.has_key("__name__"):
-	return None
+        return None
     pname = globals['__name__']
     if globals.has_key("__path__"):
-	parent = sys.modules[pname]
-	assert globals is parent.__dict__
-	return parent
+        parent = sys.modules[pname]
+        assert globals is parent.__dict__
+        return parent
     if '.' in pname:
-	i = string.rfind(pname, '.')
-	pname = pname[:i]
-	parent = sys.modules[pname]
-	assert parent.__name__ == pname
-	return parent
+        i = string.rfind(pname, '.')
+        pname = pname[:i]
+        parent = sys.modules[pname]
+        assert parent.__name__ == pname
+        return parent
     return None
 
 def find_head_package(parent, name):
     if '.' in name:
-	i = string.find(name, '.')
-	head = name[:i]
-	tail = name[i+1:]
+        i = string.find(name, '.')
+        head = name[:i]
+        tail = name[i+1:]
     else:
-	head = name
-	tail = ""
+        head = name
+        tail = ""
     if parent:
-	qname = "%s.%s" % (parent.__name__, head)
+        qname = "%s.%s" % (parent.__name__, head)
     else:
-	qname = head
+        qname = head
     q = import_module(head, qname, parent)
     if q: return q, tail
     if parent:
-	qname = head
-	parent = None
-	q = import_module(head, qname, parent)
-	if q: return q, tail
+        qname = head
+        parent = None
+        q = import_module(head, qname, parent)
+        if q: return q, tail
     raise ImportError, "No module named " + qname
 
 def load_tail(q, tail):
     m = q
     while tail:
-	i = string.find(tail, '.')
-	if i < 0: i = len(tail)
-	head, tail = tail[:i], tail[i+1:]
-	mname = "%s.%s" % (m.__name__, head)
-	m = import_module(head, mname, m)
-	if not m:
-	    raise ImportError, "No module named " + mname
+        i = string.find(tail, '.')
+        if i < 0: i = len(tail)
+        head, tail = tail[:i], tail[i+1:]
+        mname = "%s.%s" % (m.__name__, head)
+        m = import_module(head, mname, m)
+        if not m:
+            raise ImportError, "No module named " + mname
     return m
 
 def ensure_fromlist(m, fromlist, recursive=0):
     for sub in fromlist:
-	if sub == "*":
-	    if not recursive:
-		try:
-		    all = m.__all__
-		except AttributeError:
-		    pass
-		else:
-		    ensure_fromlist(m, all, 1)
-	    continue
-	if sub != "*" and not hasattr(m, sub):
-	    subname = "%s.%s" % (m.__name__, sub)
-	    submod = import_module(sub, subname, m)
-	    if not submod:
-		raise ImportError, "No module named " + subname
+        if sub == "*":
+            if not recursive:
+                try:
+                    all = m.__all__
+                except AttributeError:
+                    pass
+                else:
+                    ensure_fromlist(m, all, 1)
+            continue
+        if sub != "*" and not hasattr(m, sub):
+            subname = "%s.%s" % (m.__name__, sub)
+            submod = import_module(sub, subname, m)
+            if not submod:
+                raise ImportError, "No module named " + subname
 
 def import_module(partname, fqname, parent):
     try:
-	return sys.modules[fqname]
+        return sys.modules[fqname]
     except KeyError:
-	pass
+        pass
     try:
-	fp, pathname, stuff = imp.find_module(partname,
-					      parent and parent.__path__)
+        fp, pathname, stuff = imp.find_module(partname,
+                                              parent and parent.__path__)
     except ImportError:
-	return None
+        return None
     try:
-	m = imp.load_module(fqname, fp, pathname, stuff)
+        m = imp.load_module(fqname, fp, pathname, stuff)
     finally:
-	if fp: fp.close()
+        if fp: fp.close()
     if parent:
-	setattr(parent, partname, m)
+        setattr(parent, partname, m)
     return m
 
 
@@ -110,7 +110,7 @@
 def reload_hook(module):
     name = module.__name__
     if '.' not in name:
-	return import_module(name, name, None)
+        return import_module(name, name, None)
     i = string.rfind(name, '.')
     pname = name[:i]
     parent = sys.modules[pname]