Use f-strings + code simplification (#961)

Resolves #960

docs/conf.py

@@ -246,4 +246,4 @@ texinfo_documents = [
 # texinfo_domain_indices = True
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-# texinfo_show_urls = 'footnote'
+# texinfo_show_urls = 'footnote'

docs/index.rst

@@ -377,4 +377,4 @@ Indices and tables
 
 * :ref:`genindex`
 * :ref:`modindex`
-* :ref:`search`
+* :ref:`search`

docs/requirements.txt

@@ -1,3 +1,3 @@
 Sphinx~=7.4.7
 sphinx-rtd-theme~=2.0.0
-redis>=3.5.3
+redis>=3.5.3