azure.storage.filedatalake.PathProperties last_modified property is string not datetime

[marcin-vt]

• Package Name: azure-storage-file-datalake
• Package Version: 12.2.0
• Operating System: Ubuntu 16.04
• Python Version: 3.6.9

Describe the bug
azure.storage.filedatalake.PathProperties last_modified property is string not datetime - as described in documentation and also in the code itself

:ivar datetime last_modified: A datetime object representing the last time the directory/file was modified.

To Reproduce
Steps to reproduce the behavior:

from azure.storage.filedatalake import DataLakeServiceClient
t_fsc = DataLakeServiceClient(account_url="{}://{}.dfs.core.windows.net".format(
    "https", sa), credential=sa_key).get_file_system_client(file_system=container)
l = t_fsc.get_paths().next().last_modified
print(f'{type(l)}: {l}')

The above code prints out:
<class 'str'>: Wed, 16 Dec 2020 14:45:33 GMT

Expected behavior
last_modified should return datetime value.

[xiafu-msft]

Hi @marcin-vt

Thanks for catch this bug. We posted a fix #16093

If it's blocking you, feel free to install this .whl file after unzip it,
the commant is pip install <path/to/>azure_storage_file_datalake-12.2.1-py2.py3-none-any.whl
azure_storage_file_datalake-12.2.1-py2.py3-none-any.zip

[marcin-vt]

Thanks for fixing it @xiafu-msft.