TMSS-1979: added matplotlib

Docker/lofar-ci/Dockerfile_ci_scu

@@ -27,7 +27,7 @@ RUN mkdir -p /opt/oracle && \
     unzip instantclient-basic-linux.x64-21.1.0.0.0.zip
 ENV LD_LIBRARY_PATH /opt/oracle/instantclient_21_1:$LD_LIBRARY_PATH
 
-RUN pip3 install cython kombu lxml requests pygcn xmljson mysql-connector-python python-dateutil Django==3.0.9 djangorestframework==3.11.1 djangorestframework-xml ldap==1.0.2 flask fabric coverage python-qpid-proton PyGreSQL numpy h5py psycopg2 testing.postgresql Flask-Testing scipy Markdown django-filter python-ldap python-ldap-test ldap3 django-jsonforms django-json-widget django-jsoneditor drf-yasg flex swagger-spec-validator django-auth-ldap mozilla-django-oidc jsonschema comet pyxb==1.2.5 graphviz isodate astropy packaging django-debug-toolbar pymysql astroplan SimpleWebSocketServer websocket_client drf-flex-fields django-property-filter cx_Oracle cachetools gunicorn gevent ujson orjson
+RUN pip3 install cython kombu lxml requests pygcn xmljson mysql-connector-python python-dateutil Django==3.0.9 djangorestframework==3.11.1 djangorestframework-xml ldap==1.0.2 flask fabric coverage python-qpid-proton PyGreSQL numpy h5py psycopg2 testing.postgresql Flask-Testing scipy Markdown django-filter python-ldap python-ldap-test ldap3 django-jsonforms django-json-widget django-jsoneditor drf-yasg flex swagger-spec-validator django-auth-ldap mozilla-django-oidc jsonschema comet pyxb==1.2.5 graphviz isodate astropy packaging django-debug-toolbar pymysql astroplan SimpleWebSocketServer websocket_client drf-flex-fields django-property-filter cx_Oracle cachetools gunicorn gevent ujson orjson matplotlib
 
 #Viewflow package 
 RUN pip3 install django-material django-viewflow