Merge pull request #6 from ptxmac/master

Add toml as dependency for pyproject.toml checking

Author: AlexanderMelde

Dockerfile

@@ -9,7 +9,7 @@ LABEL "homepage"="https://github.com/AlexanderMelde/yapf-action"
 LABEL "maintainer"="Alexander Melde <[email protected]>"
 
 RUN pip install --upgrade pip
-RUN pip install yapf
+RUN pip install yapf toml
 
 COPY entrypoint.sh /entrypoint.sh