#6666: fix bug in trace.py that applied the list of ignored dirs only to 1st file

Lib/trace.py

@@ -117,7 +117,7 @@ class Ignore:
         self._mods = modules or []
         self._dirs = dirs or []
 
-        self._dirs = map(os.path.normpath, self._dirs)
+        self._dirs = list(map(os.path.normpath, self._dirs))
         self._ignore = { '<string>': 1 }
 
     def names(self, filename, modulename):

Misc/NEWS

@@ -250,6 +250,9 @@ C-API
 Library
 -------
 
+- Issue #6666: fix bug in trace.py that applied the list of directories
+  to be ignored only to the first file.  Noted by Bogdan Opanchuk.
+
 - Issue #7597: curses.use_env() can now be called before initscr().
   Noted by Kan-Ru Chen.