Use pre-release of os-types

Dockerfile

@@ -9,7 +9,10 @@ ADD requirements.txt .
RUN pip install -r requirements.txt

# Install os-types, used in the loading process for fiscal modelling the datapackage
RUN npm install -g os-types@1.15.1-alpha.1
RUN npm install -g os-types@1.15.1-alpha.2

# ADD repos/os-types ./repos/os-types
# RUN npm install -g ./repos/os-types

RUN apk del build-dependencies
RUN rm -rf /var/cache/apk/*