Check for python version and running unit tests

Author: msuzen

README.md

@@ -28,12 +28,18 @@ for complexity of deep learning architectures.
 
 ## Installation
 
-Install with pip from [pypi](https://pypi.python.org/pypi/bristol).
+Install with pip from [pypi](https://pypi.python.org/pypi/bristol), as of 0.2.14 we prefer Python > 3.9 
 
 ```bash
 pip install bristol
 ```
 
+Running tests
+
+```bash
+bash run_tests.py
+```
+
 To use the latest development version
 
 ```bash

bristol/version.py

@@ -1 +1 @@
-__version__='0.2.12'
+__version__='0.2.14'

run_tests.py

@@ -0,0 +1,4 @@
+#
+# Run tests
+#
+python -m unittest discover test 

setup.py

@@ -6,6 +6,10 @@
 with open('README.md') as f:
     long_description = f.read()
 
+import sys
+if (sys.version_info.major, sys.version_info.minor) < (3,9):
+    sys.exit(' Python <= 3.9 is not supported or preferred')
+
 setup(
       name='bristol',
       version=__version__,
@@ -20,7 +24,7 @@
       install_requires=[
                         'numpy >= 1.11', 
                         'torch >= 1.3.0', 
-                        'torchvision >= 0.4.1a0+d94043a'
+                        'torchvision >= 0.4.1'
                        ],
       test_suite="test",
       zip_safe=False