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-rw-r--r--lib/bb/fetch2/npmsw.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/bb/fetch2/npmsw.py b/lib/bb/fetch2/npmsw.py
index 36fcbfba1..cc81100b3 100644
--- a/lib/bb/fetch2/npmsw.py
+++ b/lib/bb/fetch2/npmsw.py
@@ -205,7 +205,9 @@ class NpmShrinkWrap(FetchMethod):
# This fetcher resolves multiple URIs from a shrinkwrap file and then
# forwards it to a proxy fetcher. The management of the donestamp file,
# the lockfile and the checksums are forwarded to the proxy fetcher.
- ud.proxy = Fetch([dep["url"] for dep in ud.deps if dep["url"]], data)
+ shrinkwrap_urls = [dep["url"] for dep in ud.deps if dep["url"]]
+ if shrinkwrap_urls:
+ ud.proxy = Fetch(shrinkwrap_urls, data)
ud.needdonestamp = False
@staticmethod