keep sphinx version <7

Author: wxtim

setup.cfg

@@ -51,7 +51,7 @@ install_requires =
     eralchemy==1.2.*
     hieroglyph>=2.1.0
     setuptools>=50
-    sphinx>=4.4
+    sphinx>=4.4,<7
     sphinx_rtd_theme>=1.0.0
     sphinxcontrib-svg2pdfconverter
     sphinxcontrib-spelling

src/conf.py

@@ -112,7 +112,7 @@
 # Mapping to other Sphinx projects we want to import references from.
 intersphinx_mapping = {
     'rose': (
-        'http://metomi.github.io/rose/2.0.0/html', None
+        'http://metomi.github.io/rose/2.1.0/html', None
     ),
     'python': (
         'https://docs.python.org/3/', None