fixed docs?

Author: richrobe

.github/workflows/test-and-lint.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.9", "3.10"]
 
     steps:
     - uses: actions/checkout@v3

poetry.lock

@@ -55,8 +55,7 @@ pytest = "^6"
 pytest-cov = "^2"
 ipykernel = "^6"
 ruff = "^0"
-# Doc dependencies. They also need to be updated in ./docs/requirements.txt
-sphinx = "^4"
+sphinx = "^5"
 numpydoc = "^1"
 sphinx-gallery = "^0.10.0"
 sphinx_issues = "^1.2.0"

pyproject.toml

@@ -1,5 +1,5 @@
 """Module for loading and processing Task Force Monitor (TFM) data."""
-from typing import ClassVar, Optional, Self
+from typing import ClassVar, Optional
 
 import pandas as pd
 from scipy.io import loadmat
@@ -42,7 +42,7 @@ def from_mat_file(
         path: path_t,
         # channel_mapping: Optional[Dict[str, str]] = None,
         tz: Optional[str] = "Europe/Berlin",
-    ) -> Self:
+    ):
         """Load TFM data from a .mat file.
 
         Parameters