minor bugfix

dvc/progress.py

@@ -41,6 +41,8 @@ class Progress(tqdm):
     """
     def __init__(self):
         super(Progress, self).__init__(total=0, disable=True)
+        from time import time
+        self._time = time
         self.set_lock(Lock())
         self._targets = {}
         self.clearln()

dvc/remote/http.py

@@ -70,7 +70,7 @@ class RemoteHTTP(RemoteBASE):
 
         for path_info in path_infos:
             results.append(self.exists(path_info))
-            callback.update(str(path_info))
+            callback(str(path_info))
 
         return results