On 06/06/2017 02:32 PM, Chris Angelico wrote: > > That's what I thought. If the OP's happy to upgrade to 3.6/3.7, of > course, the problem disappears. > > ChrisA > As far as I can tell this affects all versions of python. Here are some versions I played with:
2.7: >>> float("") Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: could not convert string to float: 3.4: >>> float("") Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: could not convert string to float: 3.6: >>> float("") Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: could not convert string to float: 3.7.0a0: >>> float("") Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: could not convert string to float: Cheers, Thomas -- https://mail.python.org/mailman/listinfo/python-list