TheNeuralBit commented on a change in pull request #12704:
URL: https://github.com/apache/beam/pull/12704#discussion_r490431373
##########
File path:
sdks/python/apache_beam/runners/interactive/display/pcoll_visualization.py
##########
@@ -407,13 +392,7 @@ def _display_dataframe(self, data, update=None):
self._is_datatable_empty = False
def _to_dataframe(self):
- results = []
- cache_manager = ie.current_env().get_cache_manager(self._pcoll.pipeline)
- if cache_manager.exists('full', self._cache_key):
- coder = cache_manager.load_pcoder('full', self._cache_key)
- reader, _ = cache_manager.read('full', self._cache_key)
- results = list(to_element_list(reader, coder, include_window_info=True))
-
Review comment:
This looks like a likely culprit, the error message in the flakes
references a `full` directory in the cache:
```
E PermissionError: [WinError 32] The process cannot access
the file because it is being used by another process:
'D:\\a\\beam\\beam\\sdks\\python\\target\\.tox\\py35-win\\tmp\\it-8vh2z7pi2021914046928\\full\\ac8879590f-2021876280456-2021876278608-2021914046928'
```
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