Drop Python 3.6

Author: aaltat

.github/workflows/CI.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.9, 3.10.0-rc.1]
+        python-version: [3.7, 3.9, 3.10.0-rc.1]
         rf-version: [4.0.2, 4.1.1]
 
     steps:

setup.py

@@ -40,7 +40,7 @@
     keywords         = 'robotframework testing testautomation library development',
     platforms        = 'any',
     classifiers      = CLASSIFIERS,
-    python_requires  = '>=3.6, <4',
+    python_requires  = '>=3.7, <4',
     package_dir      = {'': 'src'},
     packages         = find_packages('src'),
     py_modules       = ['robotlibcore'],