Bump sphinx-rtd-theme from 2.0.0 to 3.0.1 (#661)

* Bump sphinx-rtd-theme from 2.0.0 to 3.0.1

Bumps [sphinx-rtd-theme](https://github.com/readthedocs/sphinx_rtd_theme) from 2.0.0 to 3.0.1.
- [Changelog](https://github.com/readthedocs/sphinx_rtd_theme/blob/master/docs/changelog.rst)
- [Commits](https://github.com/readthedocs/sphinx_rtd_theme/compare/2.0.0...3.0.1)

---
updated-dependencies:
- dependency-name: sphinx-rtd-theme
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* remove call to get_html_theme_path

according to deprection warning of sphinx-rtd-theme>=3

* disable broken spelling integration (pypi) and fix spelling

* fix spelling

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Patrick Kanzler <dev@pkanzler.de>

examples/codepage_tables.py

@@ -33,7 +33,7 @@ def main():
 
 
 def print_codepage(printer, codepage):
-    """Print a codepage."""
+    """Print a code page."""
     if codepage.isdigit():
         codepage = int(codepage)
         printer._raw(CODEPAGE_CHANGE + bytes((codepage,)))

examples/weather.py

@@ -69,7 +69,7 @@ def forecast(idx):
     printer.text(" high " + str(hi))
     printer.text(deg)
     printer.text("\n")
-    # take care of pesky unicode dash
+    # take care of pesky Unicode dash
     printer.text(cond.replace("\u2013", "-").encode("utf-8"))
     printer.text("\n \n")