/usr/lib/python3/dist-packages/dask/dataframe/ is in python3-dask 0.16.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/python3/dist-packages/dask/dataframe/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/accessor.py
/usr/lib/python3/dist-packages/dask/dataframe/categorical.py
/usr/lib/python3/dist-packages/dask/dataframe/core.py
/usr/lib/python3/dist-packages/dask/dataframe/groupby.py
/usr/lib/python3/dist-packages/dask/dataframe/hashing.py
/usr/lib/python3/dist-packages/dask/dataframe/hyperloglog.py
/usr/lib/python3/dist-packages/dask/dataframe/indexing.py
/usr/lib/python3/dist-packages/dask/dataframe/io/
/usr/lib/python3/dist-packages/dask/dataframe/io/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/io/csv.py
/usr/lib/python3/dist-packages/dask/dataframe/io/demo.py
/usr/lib/python3/dist-packages/dask/dataframe/io/hdf.py
/usr/lib/python3/dist-packages/dask/dataframe/io/io.py
/usr/lib/python3/dist-packages/dask/dataframe/io/parquet.py
/usr/lib/python3/dist-packages/dask/dataframe/io/sql.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_csv.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_demo.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_hdf.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_io.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_parquet.py
/usr/lib/python3/dist-packages/dask/dataframe/io/tests/test_sql.py
/usr/lib/python3/dist-packages/dask/dataframe/methods.py
/usr/lib/python3/dist-packages/dask/dataframe/multi.py
/usr/lib/python3/dist-packages/dask/dataframe/optimize.py
/usr/lib/python3/dist-packages/dask/dataframe/partitionquantiles.py
/usr/lib/python3/dist-packages/dask/dataframe/reshape.py
/usr/lib/python3/dist-packages/dask/dataframe/rolling.py
/usr/lib/python3/dist-packages/dask/dataframe/shuffle.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/
/usr/lib/python3/dist-packages/dask/dataframe/tests/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_arithmetics_reduction.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_categorical.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_dataframe.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_format.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_groupby.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_hashing.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_hyperloglog.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_indexing.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_multi.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_optimize_dataframe.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_reshape.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_rolling.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_shuffle.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_ufunc.py
/usr/lib/python3/dist-packages/dask/dataframe/tests/test_utils_dataframe.py
/usr/lib/python3/dist-packages/dask/dataframe/tseries/
/usr/lib/python3/dist-packages/dask/dataframe/tseries/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/tseries/resample.py
/usr/lib/python3/dist-packages/dask/dataframe/tseries/tests/
/usr/lib/python3/dist-packages/dask/dataframe/tseries/tests/__init__.py
/usr/lib/python3/dist-packages/dask/dataframe/tseries/tests/test_resample.py
/usr/lib/python3/dist-packages/dask/dataframe/utils.py