Update python/private/pypi/pypi_cache.bzl

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: aignas

python/private/pypi/pypi_cache.bzl

@@ -129,9 +129,9 @@ def _filter_packages(dists, requested_versions):
 
     if type(dists) == "dict":
         result = {
-            pkg: url
-            for pkg, url in dists.items()
-            if pkg in requested_versions
+            pkg: dists[pkg]
+            for pkg in requested_versions
+            if pkg in dists
         }
         return result if result else None