bump minimum ruamel.yaml to 0.16

Author: mr-c

Makefile

@@ -183,12 +183,6 @@ list-author-emails:
 
 mypy3: mypy
 mypy: $(PYSOURCES)
-	if ! test -f $(shell python -c 'import ruamel.yaml; import os.path; print(os.path.dirname(ruamel.yaml.__file__))')/py.typed ; \
-	then \
-		rm -Rf mypy-stubs/ruamel/yaml ; \
-		ln -s $(shell python -c 'import ruamel.yaml; import os.path; print(os.path.dirname(ruamel.yaml.__file__))') \
-			mypy-stubs/ruamel/ ; \
-	fi  # if minimally required ruamel.yaml version is 0.15.99 or greater, than the above can be removed
 	MYPYPATH=$$MYPYPATH:mypy-stubs mypy $^
 
 mypyc: $(PYSOURCES)

requirements.txt

@@ -1,6 +1,5 @@
 requests>=2.6.1
-ruamel.yaml>=0.15.0,<0.18
-ruamel.yaml>=0.16;python_version>='3.10'
+ruamel.yaml>=0.16.0,<0.18
 rdflib>=4.2.2,<7.1
 shellescape>=3.4.1,<3.9
 schema-salad>=8.4.20230426093816,<9

setup.py

@@ -112,8 +112,7 @@
         "setuptools",
         "requests >= 2.6.1",  # >= 2.6.1 to workaround
         # https://github.com/ionrock/cachecontrol/issues/137
-        "ruamel.yaml >= 0.15, < 0.18",
-        "ruamel.yaml >= 0.16.0;python_version>='3.10'",
+        "ruamel.yaml >= 0.16, < 0.18",
         "rdflib >= 4.2.2, < 7.1.0",
         "shellescape >= 3.4.1, < 3.9",
         "schema-salad >= 8.4.20230426093816, < 9",