upgrade uwsgi to work with newrelic
see:
@@ -40,7 +40,7 @@ RUN mkdir -p /code
WORKDIR /code
RUN pip install -U pip
-RUN pip install uwsgi==2.0.13
+RUN pip install uwsgi==2.0.16
COPY ./requirements.txt /code/requirements.txt
COPY ./constraints.txt /code/constraints.txt
