Merge pull request #36 from tnjordan/default-projectname

Empty string as default for projectname.

dvc_gs/__init__.py

@@ -22,7 +22,9 @@ def _getcwd():
     def _prepare_credentials(self, **config):
         login_info = {"consistency": None}
         login_info["version_aware"] = config.get("version_aware", False)
-        login_info["project"] = config.get("projectname")
+        project = config.get("projectname")
+        if project is not None:
+            login_info["project"] = project
         login_info["token"] = config.get("credentialpath")
         login_info["endpoint_url"] = config.get("endpointurl")
         login_info["session_kwargs"] = {"trust_env": True}