Fixes an issue serving binary files

fs/expose/http.py

@@ -68,7 +68,7 @@ class FSHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
         ctype = self.guess_type(path)
         try:
             info = self._fs.getinfo(path)
-            f = self._fs.open(path, 'r')
+            f = self._fs.open(path, 'rb')
         except FSError, e:
             self.send_error(404, str(e))
             return None