Install paramiko for tests.

.github/workflows/pythonpackage.yml

@@ -38,7 +38,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -U pip coverage codecov flake8 fastimport
+        pip install -U pip coverage codecov flake8 fastimport paramiko
     - name: Install gpg on supported platforms
       run: pip install -U gpg
       if: "matrix.os != 'windows-latest' && matrix.python-version != 'pypy3'"

setup.py

@@ -79,6 +79,7 @@ if has_setuptools:
         'https': ['urllib3[secure]>=1.24.1'],
         'pgp': ['gpg'],
         'watch': ['pyinotify'],
+        'paramiko': ['paramiko'],
         }
     setup_kwargs['install_requires'] = ['urllib3>=1.24.1', 'certifi']
     setup_kwargs['include_package_data'] = True