try to fix install package versions

ding0/tools/tests.py

@@ -1,4 +1,4 @@
-import unittest2 as unittest
+import unittest
 
 from egoio.tools import db
 from ding0.core import NetworkDing0

pyproject.toml

@@ -0,0 +1,70 @@
+[build-system]
+requires = ["setuptools >= 61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ding0"
+version = "v0.2.1"
+dependencies = [
+  "networkx >= 2.5.1",
+  "geopy >= 2.1.0",
+  "pandas >= 1.2.4",
+  "pyproj >= 3.0.1",
+  "sqlalchemy >= 1.3.24",
+  "geoalchemy2 >= 0.6.3",
+  "matplotlib >= 3.4.2",
+  "egoio >= 0.4.8",
+  "shapely >= 1.8, < 2.0.0",
+  "pypsa >= 0.17.1",
+  "seaborn >= 0.11.1",
+  "oedialect >= 0.0.10",
+  "geopandas >= 0.9.0",
+  "osmnx>=1.1.1",
+  "ding0>=0.2.1",
+  "numpy>=1.21.2",
+  "pyyaml>=6.0",
+  "saio>=0.2.1",
+  "scipy>=1.7.1",
+  "contextily>=1.2.0",
+  "argparse>=1.4.0",
+  "scikit-learn>=0.24.2",
+  "pymetis",
+  "pyshp",
+]
+
+requires-python = ">=3.10"
+authors = [
+  {name = "nesnoj", email = "[email protected]"},
+  {name = "gplssm"},
+]
+maintainers = [
+  {name = "nesnoj", email = "[email protected]"},
+]
+description = "DIstribution Network GeneratOr"
+readme = "README.md"
+license = {text= "AGPL-3.0"}
+keywords = ["grid"]
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Environment :: Console",
+  "Intended Audience :: Science/Research",
+  "Natural Language :: English",
+  "Topic :: Scientific/Engineering",
+]
+
+[tool.setuptools.package-data]
+ding0 = [
+  "config/*.cfg", 
+  "data/*.csv", 
+  "grid/mv_grid/tests/testcases/*.vrp", 
+  "grid/mv_grid/tests/testcases/Augerat/*.vrp", 
+  "grid/mv_grid/tests/testcases/Augerat-tcc/*.vrp", 
+  "grid/mv_grid/tests/testcases/Takes-tcc/*.vrp", 
+  "grid/mv_grid/tests/testcases/Vigo/*.vrp",
+]
+
+[project.urls]
+Homepage = "https://github.com/openego/ding0"
+Repository = "https://github.com/openego/ding0.git"
+Documentation = "https://dingo.readthedocs.io"
+"Bug Tracker" = "https://github.com/openego/ding0/issues"