Merge pull request #1 from reloc8/bugfix/missing-dependency

Add missing dependency

Author: alessiovierti

setup.py

@@ -33,6 +33,7 @@ def private_dependency(personal_access_token: AnyStr,
         author='Alessio Vierti',
         packages=setuptools.find_packages(exclude=['tests']),
         install_requires=[
+            'dnspython',
             'pymongo',
             'graphene',
             private_dependency(personal_access_token=GITHUB_PERSONAL_ACCESS_TOKEN,