Merge pull request #1521 from stfc/1193_byebye_py35

(closes #1193) replace python 3.5 with 3.6 in GHA and update docs

.github/workflows/python-package.yml

@@ -72,7 +72,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.5, 3.8]
+        python-version: [3.6, 3.8]
     steps:
     - uses: actions/checkout@v2
       with:

changelog

@@ -27,7 +27,9 @@
 	code generation and add harness documentation.
 
 	11) PR #1482 for #1481. Renames symbol_from_tag->find_or_create_tag
-        and tidies its use.
+	and tidies its use.
+
+	12 PR #1521 for #1193. Update python 3.5 to 3.6 in the GitHubActions CI.
 
 release 2.1.0 3rd November 2021
 

doc/developer_guide/working_practises.rst

@@ -439,12 +439,12 @@ computational cost (so that we 'fail fast'):
  3. The code base, examples and tutorials are lint'ed with flake8.
     (Configuration of flake8 is performed in ``setup.cfg``.)
 
- 4. All of the examples are tested (for Python versions 3.5 and 3.8)
+ 4. All of the examples are tested (for Python versions 3.6 and 3.8)
     using the ``Makefile`` in the ``examples`` directory. No compilation is
     performed; only the ``transform`` (performs the PSyclone transformations)
     and ``notebook`` (runs the various Jupyter notebooks) targets are used.
 
- 5. The full test suite is run for Python versions 3.5 and 3.8 but without
+ 5. The full test suite is run for Python versions 3.6 and 3.8 but without
     the compilation checks.
 
 Since we try to be good 'open-source citizens' we do not do any compilation

doc/user_guide/getting_going.rst

@@ -213,8 +213,9 @@ Dependencies
 ------------
 
 PSyclone is written in Python so needs Python 3 to be installed on the
-target machine. PSyclone is regularly tested with Python 3.5 and 3.8.
-(The last PSyclone release to support Python 2.7 was version 2.1.0.)
+target machine. PSyclone is regularly tested with Python 3.6 and 3.8
+but should work with any version >= 3.6. (The last PSyclone release to
+support Python 2.7 was version 2.1.0.)
 
 PSyclone immediately relies on four external Python packages; ``six``,
 ``configparser``, ``fparser`` and ``pyparsing``. (Note that the