[ENH] Fix dataset root path (#3088)

Author: satwiksps

aeon/datasets/_data_loaders.py

@@ -23,6 +23,7 @@
 import zipfile
 from datetime import datetime
 from http.client import IncompleteRead, RemoteDisconnected
+from pathlib import Path
 from urllib.error import HTTPError, URLError
 from urllib.parse import urlparse
 from urllib.request import Request, urlopen, urlretrieve
@@ -40,7 +41,7 @@
 from aeon.utils.conversion import convert_collection
 
 DIRNAME = "data"
-MODULE = os.path.join(os.path.dirname(aeon.__file__), "datasets")
+MODULE = Path(aeon.__file__).parent / "datasets"
 
 CONNECTION_ERRORS = (
     HTTPError,

aeon/datasets/_single_problem_loaders.py

@@ -24,6 +24,7 @@
 ]
 
 import os
+from pathlib import Path
 
 import numpy as np
 import pandas as pd
@@ -32,7 +33,7 @@
 from aeon.datasets._data_loaders import _load_saved_dataset, _load_tsc_dataset
 
 DIRNAME = "data"
-MODULE = os.path.dirname(__file__)
+MODULE = Path(__file__).parent
 
 
 def load_gunpoint(split=None, return_type="numpy3d"):

aeon/datasets/dataset_collections.py

@@ -34,13 +34,14 @@
     "get_available_tsf_datasets",
 ]
 import os
+from pathlib import Path
 
 import aeon
 from aeon.datasets.tsc_datasets import multivariate, univariate
 from aeon.datasets.tser_datasets import tser_monash, tser_soton
 from aeon.datasets.tsf_datasets import tsf_all
 
-MODULE = os.path.join(os.path.dirname(aeon.__file__), "datasets")
+MODULE = Path(aeon.__file__).parent / "datasets"
 
 
 def get_available_tser_datasets(name="tser_soton", return_list=True):