Bug Report

Description

Running dvc push returns an error after upgrading to dvc version 2.7.3.:

ERROR: failed to push data to the cloud - URL 'ssh://' is supported but requires these missing dependencies: ['sshfs']. Please report this bug to <https://github.com/iterative/dvc/issues>. Thank you!

Reproduce

1. mkdir test
2. cd test
3. git init .
4. dvc init
5. dvc remote add storage ssh://host:/storage
6. dvc remote default storage
7. echo hi > test.txt
8. dvc add test.txt
9. dvc push test.txt

Expected

I expect the file to be pushed to the remote storage.

Environment information

macOS Big Sur version 11.5.1 running on MacBook Pro Intel DVC installed via Homebrew 3.2.12-18-g2dd3934

Output of dvc doctor:

DVC version: 2.7.3 (brew)

Platform: Python 3.9.7 on macOS-11.5.2-x86_64-i386-64bit Supports: azure (adlfs = 2021.9.1, knack = 0.8.2, azure-identity = 1.6.1), gdrive (pydrive2 = 1.9.3), gs (gcsfs = 2021.8.1), http (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), https (aiohttp = 3.7.4.post0, aiohttp-retry = 2.4.5), s3 (s3fs = 2021.8.1, boto3 = 1.17.106), webdav (webdav4 = 0.9.1), webdavs (webdav4 = 0.9.1) Cache types: reflink, hardlink, symlink Cache directory: apfs on /dev/disk1s5s1 Caches: local Remotes: ssh Workspace directory: apfs on /dev/disk1s5s1 Repo: dvc, git