train/selection/validation split error

[JanBenisek]

Floating point issue when separating data
0.7+0.2+0.1=0.99999

which raises error:

if train_prop + selection_prop + validation_prop != 1.0:
--> 385             raise ValueError("The sum of train_prop, selection_prop and "
    386                              "validation_prop cannot differ from 1.0")

The code is located here:

cobra/cobra/preprocessing/preprocessor.py

Lines 384 to 386 in 0133435

	if train_prop + selection_prop + validation_prop != 1.0:
	raise ValueError("The sum of train_prop, selection_prop and "
	"validation_prop cannot differ from 1.0")