* python/progress.cc:

  - if the mediaChange() does not return anything or is not implemented
    send "false" to libapt

1 files changed, 4 insertions, 5 deletions

diff --git a/python/progress.cc b/python/progress.cc
index b3e06b87..82967687 100644
--- a/python/progress.cc
+++ b/python/progress.cc
@@ -104,11 +104,10 @@ bool PyFetchProgress::MediaChange(string Media, string Drive)
    RunSimpleCallback("mediaChange", arglist, &result);
 
    bool res = true;
-   if(!PyArg_Parse(result, "b", &res))
-      std::cerr << "result could not be parsed" << std::endl;
-
-   // FIXME: find out what it should return usually
-   //std::cerr << "res is: " << res << std::endl;
+   if(!PyArg_Parse(result, "b", &res)) {
+      // no return value or None, assume false
+      return false;
+   }
 
    PyCbObj_BEGIN_ALLOW_THREADS
    return res;