Sqlalchemy workaround (#929)

Workaround issue with newer sqlalchemy versions.

Author: kkloberdanz

.mci.yml

@@ -296,7 +296,7 @@ functions:
                 . ../venv-utils.sh
                 venvcreate "C:/python/Python39/python.exe" kmstlsvenv || # windows-2017
                 venvcreate "C:/python/Python38/python.exe" kmstlsvenv    # windows-2015
-                python -m pip install --upgrade boto3~=1.19 pykmip~=0.10.0
+                python -m pip install --upgrade boto3~=1.19 pykmip~=0.10.0 "sqlalchemy<2.0.0"
                 deactivate
             else
                 . ./activate-kmstlsvenv.sh