Package 'python-software-properties' has no installation candidate (#4767)

Dockerfile

@@ -10,7 +10,7 @@ RUN apt -qqy install -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--
   cloc dstat                    `# Collect resource usage statistics` \
   python-dev \
   python-pip \
-  python-software-properties \
+  software-properties-common \
   libmysqlclient-dev            `# Needed for MySQL-python` \
   libpq-dev                     `# Needed for psycopg2`