Remove non-ascii char from python Readme
Remove non-ascii char from python Readme

Resolve `pip install` error from https://github.com/dnanexus/dx-toolkit/issues/539
dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit,dnanexus/dx-toolkit