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sipa · Dec 20, 2019 · 273a0ca · 273a0ca
1 parent c56270c
commit 273a0ca
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/remote_dumps/quagga_aggregate.py b/remote_dumps/quagga_aggregate.py
@@ -23,6 +23,8 @@ def find_common_suffixes(prefix_asn_paths, common_asn_suffix):
     for prefix, asn_lists in prefix_asn_paths.items():
         asn_lists = [dedup(asn_list.split(' ')) for asn_list in asn_lists] # preprocess
         asn_lists = [asn_list for asn_list in asn_lists if asn_list != [] and asn_list != ['']] # this very rarely happens in dumps
+        if len(asn_lists) == 0:
+            continue
         asn_lists.sort(key = len)
         cur_asn_suffix = asn_lists[0] # represents the common sub-path (from the end) of asns to a prefix
         for asn_list in asn_lists[1:]: