crowdkit/__init__.py import fix

[ahundt]

fix the import bug in #88

The following test passes:

import crowdkit

def test_mmsr():
    try:
        mmsr = crowdkit.aggregation.classification.m_msr.MMSR
    except AttributeError as e:
        print(f"An error occurred: {e}")

test_mmsr()
print("Test passed!")

Checklist

• I have read the CONTRIBUTING document
• I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en as it pertains to direct contributions to crowd-kit only.
• My change requires a change to the documentation
• I have updated the documentation accordingly
• I have added tests to cover my changes
• All new and existing tests passed

[dustalov]

Hi, thank you for proposing a fix. Unfortunately, it seems to break the tests. Could you please ensure that the tests are passing?