Update pyproject definition in pyproject.toml (#405)

Author: fvaleye

python/pyproject.toml

@@ -4,13 +4,15 @@ build-backend = "maturin"
 
 [project]
 name = "deltalake"
+description = "Native Delta Lake Python binding based on delta-rs with Pandas integration"
+readme = "README.md"
 requires-python = ">=3.6"
-classifier = [
+keywords = ["deltalake", "delta", "datalake", "pandas", "arrow"]
+classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python :: 3 :: Only"
 ]
-project-url = { Repo = "https://github.com/delta-io/delta-rs", Documentation = "https://delta-io.github.io/delta-rs/python/", "Bug Tracker" = "https://github.com/delta-io/delta-rs/issues" }
 dependencies = [
     "pyarrow>=4",
     'numpy<1.20.0;python_version<="3.6"',
@@ -35,6 +37,10 @@ devel = [
     "pandas"
 ]
 
+[project.urls]
+documentation = "https://delta-io.github.io/delta-rs/python/"
+repository = "https://github.com/delta-io/delta-rs"
+
 [tool.mypy]
 files = "deltalake/*.py"
 exclude = "^tests"

python/stubs/deltalake/deltalake.pyi

@@ -1,4 +1,4 @@
-from typing import Any
+from typing import Any, Callable
 
 RawDeltaTable: Any
-rust_core_version: Any
+rust_core_version: Callable[[], str]