Rename treewalkers.genshistream to .genshi for consistency

Author: gsnedders

html5lib/treewalkers/__init__.py

@@ -43,8 +43,8 @@ def getTreeWalker(treeType, implementation=None, **kwargs):
             from . import dom
             treeWalkerCache[treeType] = dom.TreeWalker
         elif treeType == "genshi":
-            from . import genshistream
-            treeWalkerCache[treeType] = genshistream.TreeWalker
+            from . import genshi
+            treeWalkerCache[treeType] = genshi.TreeWalker
         elif treeType == "lxml":
             from . import lxmletree
             treeWalkerCache[treeType] = lxmletree.TreeWalker