Fixed oq plot_lc
Fixed oq plot_lc


Former-commit-id: b3525f834df0b040c4fefab7b3026edbb43c5fff [formerly a65000df1a43bd7c8a08d36b2d6c3493be7808e0]
Former-commit-id: 05cf02ee939128d0eb3deb2d84cb032dcc2749c6
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine