Merge pull request #242 from EliahKagan/update-versioneer

build: Update versioneer from 0.15 to 0.29

Author: cwacek

python_jsonschema_objects/__init__.py

@@ -161,7 +161,6 @@ def build_classes(self, strict=False, named_only=False, standardize_names=True):
 if __name__ == "__main__":
     validator = ObjectBuilder("../../protocol/json/schema.json")
 
-from ._version import get_versions
+from . import _version
 
-__version__ = get_versions()["version"]
-del get_versions
+__version__ = _version.get_versions()["version"]