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-rw-r--r--pym/portage_util.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/pym/portage_util.py b/pym/portage_util.py
index b1974b543..a0385323d 100644
--- a/pym/portage_util.py
+++ b/pym/portage_util.py
@@ -166,7 +166,10 @@ def grabdict(myfilename, juststrings=0, empty=0, recursive=0):
def grabdict_package(myfilename, juststrings=0, recursive=0):
pkgs=grabdict(myfilename, juststrings, empty=1, recursive=recursive)
- for x in pkgs:
+ # We need to call keys() here in order to avoid the possibility of
+ # "RuntimeError: dictionary changed size during iteration"
+ # when an invalid atom is deleted.
+ for x in pkgs.keys():
if not isvalidatom(x):
del(pkgs[x])
writemsg("--- Invalid atom in %s: %s\n" % (myfilename, x),