uwsgi fix (#3441)

frameworks/Python/uwsgi/uwsgi.dockerfile

@@ -4,6 +4,6 @@ ADD ./ /uw
 
 WORKDIR /uw
 
-RUN pip install --install-option="--prefix=${PY2_ROOT}" -r /uw/requirements.lock
+RUN pip install --install-option="--prefix=${PY2_ROOT}" -r /uw/requirements.txt
 
 CMD uwsgi --master -L -l 5000 --gevent 1000 --http :8080 --http-keepalive --http-processes $CPU_COUNT -p $CPU_COUNT -w hello --add-header "Connection: keep-alive" --pidfile /tmp/uwsgi.pid