Merge pull request #58 from elixir-cloud-aai/enclose-boto3

Restrict boto3 version

Author: lvarin

setup.py

@@ -17,7 +17,7 @@
 
                 # boto3 constraint
                 'boto3<=1.28 ; python_version == "3.8"',
-                'boto3>=1.28 ; python_version >= "3.9"',
+                'boto3>=1.28,<2.0 ; python_version >= "3.9"',
                 ]
 TEST_DEPS = [ 'pytest',
             'pyfakefs',