[docker] Thrift sasl Python module needed for plain SASL sessions
Hardcoded six version is too old, better to just auto pull it.
@@ -53,8 +53,8 @@ requests>=2.20.0
requests-kerberos==0.12.0
rsa==3.4.2
sasl==0.2.1 # Move to https://pypi.org/project/sasl3/ ?
-six==1.12.0
SQLAlchemy==1.3.8
sqlparse==0.4.1
tablib==0.13.0
thrift==0.13.0
+thrift-sasl==0.4.2
