set long_description_content_type to unblock twine upload to pypi (#25)

Author: MarkDaoust

setup.py

@@ -15,19 +15,25 @@
 #
 import io
 import os
+import pathlib
+
 
 import setuptools  # type: ignore
 
-package_root = os.path.abspath(os.path.dirname(__file__))
+package_root = pathlib.Path(__file__).parent.resolve()
 
 name = "google-generativeai"
 
 description = "Google Generative AI High level API client library and tools."
 
-version = {}
-with open(os.path.join(package_root, "google/generativeai/version.py")) as fp:
-    exec(fp.read(), version)
-version = version["__version__"]
+def get_version():
+    version = {}
+    version_source = (package_root/"google/generativeai/version.py").read_text()
+    exec(version_source, version)
+    version = version["__version__"]
+    return version
+
+version=get_version()
 
 if version[0] == "0":
     release_status = "Development Status :: 4 - Beta"
@@ -50,9 +56,7 @@
 
 url = "https://github.com/google/generative-ai-python"
 
-readme_filename = os.path.join(package_root, "README.md")
-with io.open(readme_filename, encoding="utf-8") as readme_file:
-    readme = readme_file.read()
+readme = (package_root/'README.md').read_text()
 
 packages = [
     package
@@ -67,6 +71,7 @@
     version=version,
     description=description,
     long_description=readme,
+    long_description_content_type="text/markdown",
     author="Google LLC",
     author_email="[email protected]",
     license="Apache 2.0",