Categories error in regression example

Unclear error in fedot_api_example.py, function "run_regression_example"

Output of composer:

Metric evaluation error: Found unknown categories ['1'] in column 3 during transform
Fit pipeline from scratch
Fit pipeline from scratch
Metric evaluation error: Found unknown categories ['?'] in column 7 during transform
Fit pipeline from scratch
Metric evaluation error: Found unknown categories ['1'] in column 3 during transform
Fit pipeline from scratch
Fit pipeline from scratch
Metric evaluation error: Found unknown categories ['?'] in column 7 during transform
Fit pipeline from scratch

It is fixed in #407?

UPD:

Error in #407 is the following: