PyPi package installs antlr version for python 2 and 3

[cirrostratus1]

When installing the wheel on pypi (version 0.2.5) it installs both antlr versions antlr4-python2-runtime and antlr4-python3-runtime. This results in the following error when using rtamt:

ModuleNotFoundError: No module named '__builtin__'

Can be confirmed by inspecting the METADATA file in the current wheel:

Requires-Dist: antlr4-python2-runtime (<4.6,>=4.5)
Requires-Dist: antlr4-python3-runtime (<4.6,>=4.5)
Requires-Dist: enum34

Compared to a fresh build in version 0.2.8

Requires-Dist: antlr4-python2-runtime (<4.6,>=4.5) ; python_version < "3"
Requires-Dist: enum34 ; python_version < "3.4"
Requires-Dist: antlr4-python3-runtime (<4.6,>=4.5) ; python_version >= "3"

Tested on pip==22.0.4 and python=3.7 (anaconda).

Building the universal wheel manually from the current source fixes the issue.