rohdesamuel commented on a change in pull request #11005: [BEAM-8335] Modify
the StreamingCache to subclass the CacheManager
URL: https://github.com/apache/beam/pull/11005#discussion_r388009579
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File path: sdks/python/apache_beam/runners/interactive/cache_manager.py
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@@ -167,20 +177,35 @@ def load_pcoder(self, *labels):
self._saved_pcoders[self._path(*labels)])
def read(self, *labels):
+ # Return an iterator to an empty list if it doesn't exist.
if not self.exists(*labels):
- return [], -1
+ return [].__iter__(), -1
Review comment:
Gotcha, didn't know about this. Changed to `iter([])`
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