CI installs jinja2 for templating

Signed-off-by: Kevin <kevin@stealsyour.pw>

.travis.yml

@@ -7,6 +7,7 @@ python:
   - "2.7"
 
 script:
+  - pip install jinja2
   - python report.py
   - ls -l
   - test -f ./index.html

Dockerfile

@@ -3,7 +3,7 @@ FROM nginx:alpine
 RUN apk add --no-cache python && \
     python -m ensurepip && \
     rm -r /usr/lib/python*/ensurepip && \
-    pip install --upgrade pip setuptools && \
+    pip install --upgrade pip setuptools jinja2 && \
     rm -r /root/.cache
 #Change Working directory
 WORKDIR /usr/share/nginx/html