define end parameter

gcsfs/core.py

@@ -1183,6 +1183,7 @@ async def _rm_files(self, paths, batchsize=20):
  out = []
  # Splitting requests into 100 chunk batches
  # See https://cloud.google.com/storage/docs/batch
+ end = False
  for retry in range(1, 6):
  for chunk in _chunks(paths, 20):
  parts = []