Merge branch 'master' into develop

Author: rllin

CONTRIB.md

@@ -54,4 +54,4 @@ Each release should follow the following steps:
   with credentials for the `labelbox` PyPI user.
   - Run the `REPO_ROOT/tools/api_reference_generator.py` script to update
   [HelpDocs documentation](https://labelbox.helpdocs.io/docs/). You will need
-  to provide a HelpDocs API key for.
+  to provide a HelpDocs API key for.

setup.py

@@ -22,4 +22,4 @@
         'Programming Language :: Python :: 3.7',
     ],
     keywords=["labelbox"],
-)
+)

tools/api_reference_generator.py

@@ -435,7 +435,6 @@ def main():
     args = argp.parse_args()
 
     body = generate_all()
-
     if args.helpdocs_api_key is not None:
         url = "https://api.helpdocs.io/v1/article/zg9hp7yx3u?key=" + \
             args.helpdocs_api_key