dropped support for python3.6; updated README

README.md

@@ -4,7 +4,7 @@ Compute "natural breaks" (*Fisher-Jenks algorithm*) on list / tuple / array / nu
 
 The algorithm implemented by this library is also sometimes referred to as *Fisher-Jenks algorithm*, *Jenks Optimisation Method* or *Fisher exact optimization method*. This is a deterministic method to calculate the optimal class boundaries.
 
-Intended compatibility: CPython 3.6+
+Intended compatibility: CPython 3.7+
 
 Wheels are provided via PyPI for Windows / MacOS / Linux users - Also available on conda-forge channel for Anaconda users.
 
@@ -86,7 +86,7 @@ pip install jenkspy
 ```shell
 git clone http://github.com/mthh/jenkspy
 cd jenkspy/
-python setup.py install
+pip install .
 ```
 
 - **For anaconda users**

pyproject.toml

@@ -8,7 +8,7 @@ dynamic = ["version"]
 dependencies = [
   "numpy"
 ]
-requires-python = ">= 3.6"
+requires-python = ">= 3.7"
 authors = [
   {name = "Matthieu Viry", email = "[email protected]"},
 ]
@@ -24,7 +24,6 @@ classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Operating System :: OS Independent",
   "License :: OSI Approved :: MIT License",
-  "Programming Language :: Python :: 3.6",
   "Programming Language :: Python :: 3.7",
   "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",