revert six change

Author: danielhusar

requirements.txt

@@ -32,7 +32,7 @@ python-dateutil==2.8.2
 python-dotenv==0.21.0
 requests>=2.28.2
 requests-oauthlib==1.1.0
-six>1.13.0
+six==1.13.0
 urllib3>=1.26.14
 virtualenv==20.21.0
 virtualenv-clone==0.5.7