Replace atof with Decimal func
We use this undocumented feature [1] but now locale.delocalize is implemented in Python >= 3.5 so we should use it.
[1] https://bugs.python.org/#13918
We use this undocumented feature [1] but now locale.delocalize is implemented in Python >= 3.5 so we should use it.
[1] https://bugs.python.org/#13918