Minor updates from chaos chimp

tests/helper.py

@@ -25,8 +25,7 @@ def _do_test(path, test, failure=True,
         install_rdf = RDFParser(rdf_data)
         err.save_resource("install_rdf", install_rdf)
 
-    if "chrome.manifest" in contents:
-        populate_chrome_manifest(err, contents, package)
+    populate_chrome_manifest(err, contents, package)
     
     test(err, contents, package)
     

validator/contextgenerator.py

@@ -1,4 +1,3 @@
-import os
 from StringIO import StringIO
 
 import textfilter

validator/errorbundler.py

@@ -2,7 +2,6 @@ import json
 import uuid
 from StringIO import StringIO
 
-from contextgenerator import ContextGenerator
 from outputhandlers.shellcolors import OutputHandler
 from textfilter import filter_ascii