fixed solar.py back to working
fixed solar.py back to working


Former-commit-id: 3cd023f24aa2ae1175844eb42cf1dd9f943b987e
Former-commit-id: 46b32d5bb204dea655f797b0b669acce10b4bc27
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy