docs: Error building docs

docs/requirements.txt

@@ -1,9 +1,5 @@
 beautifulsoup4>=4.11.1
 lxml>=4.9.1
-# Requirements file for ReadTheDocs, check .readthedocs.yml.
-# To build the module reference correctly, make sure every external package
-# under `install_requires` in `setup.cfg` is also listed here!
-# sphinx_rtd_theme
 myst-parser[linkify]
 requests>=2.28.1
 git+https://github.com/revitron/revitron-sphinx-theme.git#egg=revitron-sphinx-theme

src/comicgeeks/classes.py

@@ -553,7 +553,7 @@ def __init__(
         self._variant_covers = None
 
     @property
-    def characters(self) -> list[dict]:
+    def characters(self) -> list:
         """List of characters that appear in this issue"""
         if self._characters is None:
             self._get_data()
@@ -684,7 +684,7 @@ def number(self, value):
         self._number = value
 
     @property
-    def person_credits(self) -> list[dict]:
+    def person_credits(self) -> list:
         """List of people that create this issue"""
         if self._person_credits is None:
             self._get_data()
@@ -748,7 +748,7 @@ def url(self, value):
         self._url = value
 
     @property
-    def variant_covers(self) -> list[dict]:
+    def variant_covers(self) -> list:
         """List of variant covers"""
         if self._variant_covers is None:
             self._get_data()