Merge pull request #1696 from priyanshuone6/drop_3.6

Drop support for Python 3.6

Author: valentinsulzer

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 ## Breaking changes
 
+-   Dropped support for Python 3.6 ([#1696](https://github.com/pybamm-team/PyBaMM/pull/1696))
 -   The substring 'negative electrode' has been removed from variables related to SEI and lithium plating (e.g. 'Total negative electrode SEI thickness [m]' replaced by 'Total SEI thickness [m]') ([#1654](https://github.com/pybamm-team/PyBaMM/pull/1654))
 
 # [v21.08](https://github.com/pybamm-team/PyBaMM/tree/v21.08) - 2021-08-26

setup.py

@@ -187,7 +187,7 @@ def compile_KLU():
     },
     package_data={"pybamm": pybamm_data},
     # Python version
-    python_requires=">=3.6,<3.10",
+    python_requires=">=3.7,<3.10",
     # List of dependencies
     install_requires=[
         "numpy>=1.16",