adding mlxtend as requirements

2 jobs for impelemtation_preprocessing in 2 minutes and 1 second (queued for 1 second)
Name Stage Failure
failed
linter Test
Collecting zipp>=0.5
Downloading zipp-3.1.0-py3-none-any.whl (4.9 kB)
Installing collected packages: mccabe, zipp, importlib-metadata, pyflakes, pycodestyle, flake8
Successfully installed flake8-3.8.2 importlib-metadata-1.6.0 mccabe-0.6.1 pycodestyle-2.6.0 pyflakes-2.2.0 zipp-3.1.0
$ flake8 ./umami
./umami/preprocessing_tools/utils.py:62:31: W291 trailing whitespace
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1