Fix version in circuitpython-stubs

the configuration that tried to use setuptools_scm was broken.
Instead, provides circuitpython-stubs' setup.py with the version
determined by setuptools_scm running in the git source directory.

Author: jepler

Makefile

@@ -268,7 +268,7 @@ stubs:
 	@$(PYTHON) tools/extract_pyi.py ports/atmel-samd/bindings $(STUBDIR)
 	@$(PYTHON) tools/extract_pyi.py ports/espressif/bindings $(STUBDIR)
 	@$(PYTHON) tools/extract_pyi.py ports/raspberrypi/bindings $(STUBDIR)
-	@cp setup.py-stubs circuitpython-stubs/setup.py
+	@sed -e "s,__version__,`python -msetuptools_scm`," < setup.py-stubs > circuitpython-stubs/setup.py
 	@cp README.rst-stubs circuitpython-stubs/README.rst
 	@cp MANIFEST.in-stubs circuitpython-stubs/MANIFEST.in
 	@$(PYTHON) tools/board_stubs/build_board_specific_stubs/board_stub_builder.py

setup.py-stubs

@@ -45,12 +45,7 @@ setup(
     packages=list(package_data.keys()),
     package_data=package_data,
     package_dir = package_dir,
-    setup_requires=["setuptools_scm", "setuptools>=38.6.0"],
-    use_scm_version = {
-        "root": "..",
-        "relative_to": __file__,
-        "local_scheme": local_scheme,
-        "git_describe_command": "tools/describe --long",
-    },
+    setup_requires=["setuptools>=38.6.0"],
+    version="__version__",
     zip_safe=False,
 )